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testFile.txt
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testFile.txt
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<!DOCTYPE html>
<html lang="en-US">
<head>
<title>W3Schools Online Web Tutorials</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="Keywords" content="HTML,CSS,JavaScript,DOM,jQuery,PHP,SQL,XML,Python,Java,Bootstrap,Web,W3CSS,W3C,tutorials,programming,development,training,learning,quiz,primer,lessons,reference,examples,source code,colors,demos,tips,w3c">
<link rel="icon" href="/favicon.ico" type="image/x-icon">
<link rel="stylesheet" href="w3css/4/w3.css">
<script>
(function() {
var cx = '012971019331610648934:m2tou3_miwy';
var gcse = document.createElement('script'); gcse.type = 'text/javascript'; gcse.async = true;
gcse.src = 'https://www.google.com/cse/cse.js?cx=' + cx;
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(gcse, s);
})();
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-3855518-1', 'auto');
ga('require', 'displayfeatures');
ga('require', 'GTM-WJ88MZ5');
ga('send', 'pageview');
</script>
<style>
/* W3Schools Font Logo */
.w3schools-logo {
font-family:fontawesome;
text-decoration:none;
line-height: 1;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
font-size:37px;
letter-spacing:3px;
color:#555555;
display:block;
position:relative;
}
.w3schools-logo .dotcom {color:#4CAF50;}
@font-face {
font-family:'fontawesome';
src:url('../lib/fonts/fontawesome.eot?14663396#iefix') format('embedded-opentype'),
url('../lib/fonts/fontawesome.woff?14663396') format('woff'),
url('../lib/fonts/fontawesome.ttf?14663396') format('truetype'),
url('../lib/fonts/fontawesome.svg?14663396#fontawesome') format('svg');
font-style:normal;
}
.fa {
display:inline-block;
font:normal normal normal 14px/1 FontAwesome;
font-size:20px;
text-rendering:auto;
-webkit-font-smoothing:antialiased;
-moz-osx-font-smoothing:grayscale;
transform:translate(0,0);
}
.fa-home:before {content:'\e800';}
.fa-menu:before {content: '\f0c9';}
.fa-globe:before {content:'\e801';}
.fa-search:before {content:'\e802'; }
.fa-thumbs-o-up:before {content:'\e803';}
.fa-left-open:before {content:'\e804';}
.fa-right-open:before {content:'\e805';}
.fa-caret-down:before {content:'\e809';}
.fa-caret-up:before {content:'\e80a';}
.fa-user:before { content: '\e816'; }
.fa-js:before { content: '\e819'; }
.fa-python:before { content: '\e81a'; }
.fa-php:before { content: '\e81b'; }
.fa-bootstrap:before { content: '\e81c'; }
.fa-html5:before { content: '\f13b'; }
.fa-css3:before { content: '\f13c'; }
/* Google */
#nav_translate, #nav_search {display:none;}
#nav_translate a {display:inline;}
#googleSearch {color:#000000;}
.searchdiv {
max-width:400px;
margin:auto;
text-align:left;
font-size:16px;
}
div.cse .gsc-control-cse, div.gsc-control-cse {
background-color:transparent;
border:none;
padding:0px;
margin:0px;
}
td.gsc-search-button input.gsc-search-button {background-color:#555555;border-color:#555555;}
input.gsc-input, .gsc-input-box, .gsc-input-box-hover, .gsc-input-box-focus, .gsc-search-button {
box-sizing:content-box;
line-height:normal;
}
.gsc-tabsArea div {overflow:visible;}
.gsst_a .gscb_a {margin-top:3px;}
/* Customize W3.CSS */
#nav_tutorials,#nav_references,#nav_examples,#nav_exercises,#nav_login {
display:none;
padding-bottom:40px;
position:absolute;
width:100%;
z-index:5 !important;
}
.w3-col .w3-button {
margin:5px 5px 5px 0;
font-size:16px;
}
.w3-col.l4 .w3-card-2 {
padding:15px 10px;
height:260px;
}
.w3-theme {color:#fff !important;background-color:#4CAF50 !important;}
.w3-main {margin-left:230px;}
.w3-sidebar {
z-index:3;
width:230px;
overflow:hidden !important;
position:absolute !important;
margin-bottom:-155px;
}
.w3-sidebar .w3-bar-block .w3-bar-item{
padding:0 16px;
font-size:16px;
}
.w3-bar {
position:relative;
z-index:4;
font-size:17px;
}
.w3-wide {
font-family:"Segoe UI",Arial,sans-serif;
}
h1 {
font-size:80px;
color:#555555;
margin:2px 0 -20px 0 !important;
}
.certoverlay {
position:absolute;
top:0;
background-color:rgba(0, 0, 0, 0.5);
width:100%;
text-align:center;
padding:15px
}
.certoverlay h2 {
margin:10px 0 0 0;
font-size:36px;
}
.certoverlay h3 {
margin:0 0 10px 0;
}
.login {display:none;line-height:1.5;padding:6px 14px;position:relative;top:5px;color:#fff;background-color:#4CAF50;text-decoration:none;border-radius:5px;font-family:"Segoe UI",Arial,sans-serif;}
.loginmodalform {margin:auto;width:100%;max-width:700px;text-align:left;padding:20px 40px;}
.loginmodaldiv input {width:100%;border:1px solid #ccc;padding:8px 12px;}
.loginmodaldiv .login_submit_container {text-align:right;}
.loginmodaldiv button {width:30%;min-width:120px;border:none;border-radius:5px;padding:6px 10px;background-color:#4CAF50;color:#fff;cursor:pointer;}
.loginmodaldiv button:hover {background-color:#46a049;color:#fff;}
.loginmodaldiv a {padding:0 !important;color:#000;}
.login_newusertext {width:auto;float:right;text-align:right;}
.login_forgotpasswordtext {width:auto;float:left;}
@media screen and (max-width:700px) {
.loginmodaldiv .login_submit_container {text-align:center;}
.login_newusertext {width:100%;text-align:center;margin-top:20px;}
.login_forgotpasswordtext {width:100%;text-align:center;margin-top:30px;}
.w3schools-logo {font-size:30px;}
.login {top:3px;}
}
.tagcolor{color:mediumblue}
.tagnamecolor{color:brown}
.attributecolor{color:red}
.attributevaluecolor{color:mediumblue}
.commentcolor{color:green}
.cssselectorcolor{color:brown}
.csspropertycolor{color:red}
.csspropertyvaluecolor{color:mediumblue}
.cssdelimitercolor{color:black}
.cssimportantcolor{color:red}
.jscolor{color:black}
.jskeywordcolor{color:mediumblue}
.jsstringcolor{color:brown}
.jsnumbercolor{color:red}
.jspropertycolor{color:black}
.javacolor{color:black}
.javakeywordcolor{color:mediumblue}
.javastringcolor{color:brown}
.javanumbercolor{color:red}
.javapropertycolor{color:black}
.kotlincolor{color:black}
.kotlinkeywordcolor{color:mediumblue}
.kotlinstringcolor{color:brown}
.kotlinnumbercolor{color:red}
.kotlinpropertycolor{color:black}
.phptagcolor{color:red}
.phpcolor{color:black}
.phpkeywordcolor{color:mediumblue}
.phpglobalcolor{color:goldenrod}
.phpstringcolor{color:brown}
.phpnumbercolor{color:red}
.pythoncolor{color:black}
.pythonkeywordcolor{color:mediumblue}
.pythonstringcolor{color:brown}
.pythonnumbercolor{color:red}
.angularstatementcolor{color:red}
.sqlcolor{color:black}
.sqlkeywordcolor{color:mediumblue}
.sqlstringcolor{color:brown}
.sqlnumbercolor{color:}
.darktheme .w3-code{background-color:rgb(40,44,52);color:white;border-left-color:rgb(40,44,52)!important}
.darktheme .w3-example pre{background-color:rgb(40,44,52)!important;border-left-color:rgb(40,44,52)}
.darktheme .tagcolor{color:#88ccbb/*green2*/!important}
.darktheme .tagnamecolor{color:#ff9999/*red*/!important}
.darktheme .attributecolor{color:#c5a5c5/*purple*/!important}
.darktheme .attributevaluecolor{color:#88c999/*green*/!important}
.darktheme .commentcolor{color:#999!important}
.darktheme .cssselectorcolor{color:#ff9999/*red*/!important}
.darktheme .csspropertycolor{color:#c5a5c5/*purple*/!important}
.darktheme .csspropertyvaluecolor{color:#88c999/*green*/!important}
.darktheme .cssdelimitercolor{color:white!important}
.darktheme .cssimportantcolor{color:#ff9999/*red*/!important}
.darktheme .jscolor{color:white!important}
.darktheme .jskeywordcolor{color:#c5a5c5/*purple*/!important}
.darktheme .jsstringcolor{color:#88c999/*green*/!important}
.darktheme .jsnumbercolor{color:#80b6ff/*blue*/!important}
.darktheme .jspropertycolor{color:white!important}
.darktheme .javacolor{color:white!important}
.darktheme .javakeywordcolor{color:#88c999/*green*/!important}
.darktheme .javastringcolor{color:#88c999/*green*/!important}
.darktheme .javanumbercolor{color:#88c999/*green*/!important}
.darktheme .javapropertycolor{color:white!important}
.darktheme .kotlincolor{color:white!important}
.darktheme .kotlinkeywordcolor{color:#88c999/*green*/!important}
.darktheme .kotlinstringcolor{color:#88c999/*green*/!important}
.darktheme .kotlinnumbercolor{color:#88c999/*green*/!important}
.darktheme .kotlinpropertycolor{color:white!important}
.darktheme .phptagcolor{color:#999!important}
.darktheme .phpcolor{color:white!important}
.darktheme .phpkeywordcolor{color:#ff9999/*red*/!important}
.darktheme .phpglobalcolor{color:white!important}
.darktheme .phpstringcolor{color:#88c999/*green*/!important}
.darktheme .phpnumbercolor{color:#88c999/*green*/!important}
.darktheme .pythoncolor{color:white!important}
.darktheme .pythonkeywordcolor{color:#ff9999/*red*/!important}
.darktheme .pythonstringcolor{color:#88c999/*green*/!important}
.darktheme .pythonnumbercolor{color:#88c999/*green*/!important}
.darktheme .angularstatementcolor{color:#ff9999/*red*/!important}
.darktheme .sqlcolor{color:white!important}
.darktheme .sqlkeywordcolor{color:#80b6ff/*blue*/!important}
.darktheme .sqlstringcolor{color:#88c999/*green*/!important}
.darktheme .sqlnumbercolor{color:}
.w3-hover-greener:hover {
background-color:#46a049
}
@media screen and (min-width:769px){.w3-sidebar.w3-collapse{display:block !important;}}
@media screen and (min-width:769px){#myAccordion,.hidesm{display:none !important;}}
@media screen and (min-width:769px){.w3-main{margin-left:230px !important;}.w3-bar-block .w3-button{padding:0;}}
@media screen and (max-width:768px){.w3-sidebar.w3-collapse,.barex,.navex{display:none !important;}.w3-bar-block .w3-bar-item{text-align:center !important;padding:2px 0;}h1,.w3-jumbo{font-size:60px !important;}}
@media screen and (max-width:545px){.certoverlay{padding:10px;height:100%;}.certoverlay h3{font-size:15px;}}
@media screen and (max-width:380px){.getcert{position:absolute;text-align:center;left:50%;bottom:50%;font-size:13px;}}
@media only screen and (max-device-width: 1366px){.w3-hide-device{display:none;}}
@media screen and (max-width:1080px){#cert_navbtn{display:none;}}
</style>
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
<!-- begin cmp -->
<script src="//cdn.snigelweb.com/sncmp/latest/sncmp_stub.min.js"></script>
<style>
#snigel-cmp-framework .sn-b-def.sn-blue {color: #ffffff!important;background-color: #4caf50!important;border-color: #4caf50!important;}
#snigel-cmp-framework .sn-b-def { border-color: #4caf50!important;color: #4caf50!important;}
#snigel-cmp-framework .sn-selector ul li { color: #4caf50!important}
#snigel-cmp-framework .sn-selector ul li:after { background-color: #4caf50!important; }
#snigel-cmp-framework .sn-footer-tab .sn-privacy a {color:#4caf50!important;}
#snigel-cmp-framework .sn-arrow:after, #snigel-cmp-framework .sn-arrow:before { background-color: #4caf50!important; }
#snigel-cmp-framework .sn-switch input:checked+span::before { background-color: #4caf50!important; }
#snigel-cmp-framework h1 { height:75px; }
#adconsent-usp-link {border: 1px solid #4caf50!important;color: #4caf50!important;}
#adconsent-usp-banner-optout input:checked+.adconsent-usp-slider {background-color:#4caf50!important;}
#adconsent-usp-banner-btn {color:#ffffff;border: solid 1px #4caf50!important;background-color: #4caf50!important;}
</style>
<script type="text/javascript">
__cmp("setLogo", "https://www.w3schools.com/images/img_logo_small.png");
__cmp("setPrivacyPolicy", "https://www.w3schools.com/about/about_privacy.asp");
</script>
<script async type="text/javascript" src="//cdn.snigelweb.com/pub/w3schools.com/snhb-loader.min.js"></script>
<!-- end cmp -->
</head>
<body style="position:relative;min-height:100%;">
<div class='w3-container top' style="padding-top:20px;">
<a class='w3schools-logo notranslate' style="position:absolute;" href='//www.w3schools.com'>w3schools<span class='dotcom'>.com</span></a>
<div id="loginactioncontainer" class='w3-right' style='width:80px;height:50px;'>
<div id="mypagediv"></div>
<a id="w3loginbtn" style="display:none;" class="login w3-right w3-hover-greener" href='javascript:void(0);' onclick='w3_open_nav("login")'>LOG IN</a>
</div>
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<h3 class="w3-margin-top">Quizzes</h3>
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<h3 class="w3-margin-top">Programming</h3>
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<h3 class="w3-margin-top">XML</h3>
<a class="w3-bar-item w3-button" href="/xml/xml_examples.asp" target="_top">XML Examples</a>
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<h3 class="w3-margin-top">Exercises</h3>
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<h3 class="w3-margin-top">Certificates</h3>
<a class="w3-bar-item w3-button" href="/cert/cert_html_new.asp" target="_top">HTML Certificate</a>
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<a class="w3-bar-item w3-button" href="/cert/cert_sql.asp" target="_top">SQL Certificate</a>
<a class="w3-bar-item w3-button" href="/cert/cert_php.asp" target="_top">PHP Certificate</a>
<a class="w3-bar-item w3-button" href="/cert/cert_python.asp" target="_top">Python Certificate</a>
<a class="w3-bar-item w3-button" href="/cert/cert_bootstrap.asp" target="_top">Bootstrap Certificate</a>
<a class="w3-bar-item w3-button" href="/cert/cert_jquery.asp" target="_top">jQuery Certificate</a>
<a class="w3-bar-item w3-button" href="/cert/cert_xml.asp" target="_top">XML Certificate</a>
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<h2>LOG IN</h2>
<div style="font-size:15px"><a href="https://mypage.w3schools.com/mypage/index.php">Why Log In?</a></div>
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<form id="loginform" name="loginform" autocomplete="off" method="post">
<div><label>Username</label></div>
<div><input type="email" name="n" placeholder="Enter your e-mail address" onfocus="login_inputGetsFocus(this)"></div>
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<div><label>Password</label></div>
<div><input type="password" name="p" placeholder="Enter Your Password" onfocus="login_inputGetsFocus(this)"></div>
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<div class="w3-main" id="main">
<div class="w3-row w3-margin-bottom">
<div class="w3-col l6 w3-center" style="padding:3%">
<h1>HTML</h1>
<p class="w3-xlarge w3-text-dark-grey">The language for building web pages</p>
<a href="/html/default.asp" class="w3-button w3-dark-grey">LEARN HTML</a>
<a href="/tags/default.asp" class="w3-button w3-dark-grey">HTML REFERENCE</a>
</div>
<div class="w3-col l6" style="padding:3%">
<div class="w3-hide-small w3-light-grey w3-card-2" style="padding:16px;">
<h3>HTML Example:</h3>
<div class="w3-code htmlHigh notranslate w3-border-green">
<!DOCTYPE html><br>
<html><br>
<title>HTML Tutorial</title><br>
<body><br><br>
<h1>This is a heading</h1><br>
<p>This is a paragraph.</p><br><br>
</body><br>
</html>
</div>
<a href="/html/tryit.asp?filename=tryhtml_default" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
</div>
</div>
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<div class="w3-row w3-light-grey w3-hide-medium w3-hide-small">
<div class="w3-col l6" style="padding-top:40px;padding:3%;">
<h3>CSS Example:</h3>
<div class="w3-code cssHigh notranslate w3-card-2 w3-border-green">
body {<br>
background-color: lightblue;<br>}<br><br>
h1 {<br>
color: white;<br>
text-align: center;<br>}<br><br>
p {<br>
font-family: verdana;<br>
font-size: 20px;<br>}
</div>
<a href="/css/tryit.asp?filename=trycss_default" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
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<h1>CSS</h1>
<p class="w3-xlarge">The language for styling web pages</p>
<a href="/css/default.asp" class="w3-button w3-dark-grey">LEARN CSS</a>
<a href="/cssref/default.asp" class="w3-button w3-dark-grey">CSS REFERENCE</a>
</div>
</div>
<div class="w3-row w3-light-grey w3-hide-large" style="padding-bottom:30px">
<div class="w3-col l6 w3-center" style="padding:3%">
<h1>CSS</h1>
<p class="w3-xlarge">The language for styling web pages</p>
<a href="/css/default.asp" class="w3-button w3-dark-grey">LEARN CSS</a>
<a href="/cssref/default.asp" class="w3-button w3-dark-grey">CSS REFERENCE</a>
</div>
<div class="w3-col l6 w3-hide-small" style="padding-top:40px;padding:3%;">
<h3>CSS Example:</h3>
<div class="w3-code cssHigh notranslate w3-card-2 w3-border-green">
body {<br>
background-color: lightblue;<br>}<br><br>
h1 {<br>
color: white;<br>
text-align: center;<br>}<br><br>
p {<br>
font-family: verdana;<br>
font-size: 20px;<br>}
</div>
<a href="/css/tryit.asp?filename=trycss_default" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
</div>
</div>
<div class="w3-row">
<div class="w3-col l6 w3-center" style="padding:3%">
<h1 class="w3-jumbo">JavaScript</h1>
<p class="w3-xlarge w3-text-dark-grey">The language for programming web pages</p>
<a href="/js/default.asp" class="w3-button w3-dark-grey">LEARN JAVASCRIPT</a>
<a href="/jsref/default.asp" class="w3-button w3-dark-grey">JAVASCRIPT REFERENCE</a>
</div>
<div class="w3-col l6" style="padding:3%">
<div class="w3-hide-small w3-card-2 w3-light-grey" style="padding:16px;">
<h3>JavaScript Example:</h3>
<div class="w3-code notranslate w3-card-2 w3-border-green">
<div class="htmlHigh">
<button onclick="myFunction()">Click Me!</button><br><br>
<script><br>
function myFunction() {<br>
var x = document.getElementById("demo");<br>
x.style.fontSize = "25px"; <br>
x.style.color = "red"; <br>}<br>
</script>
</div>
</div>
<a href="/js/tryit.asp?filename=tryjs_default" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
</div>
</div>
</div>
<div class="w3-row w3-light-grey w3-hide-medium w3-hide-small">
<div class="w3-col l6" style="padding-top:40px;padding:3%;padding-bottom:45px">
<h3>SQL Example:</h3>
<div class="w3-code sqlHigh notranslate w3-card-2 w3-border-green" style="height:180px">
SELECT * FROM Customers<br>
WHERE Country='Mexico';
</div>
<a href="/sql/trysql.asp?filename=trysql_select_where" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
</div>
<div class="w3-col l6 w3-center" style="padding:3%">
<h1>SQL</h1>
<p class="w3-xlarge">A language for accessing databases</p>
<a href="/sql/default.asp" class="w3-button w3-dark-grey">LEARN SQL</a>
<a href="/sql/sql_ref_keywords.asp" class="w3-button w3-dark-grey">SQL REFERENCE</a>
</div>
</div>
<div class="w3-row w3-light-grey w3-hide-large" style="padding-bottom:30px;margin-top:40px">
<div class="w3-col l6 w3-center" style="padding:3%">
<h1>SQL</h1>
<p class="w3-xlarge">A language for accessing databases</p>
<a href="/sql/default.asp" class="w3-button w3-dark-grey">LEARN SQL</a>
<a href="/sql/sql_ref_keywords.asp" class="w3-button w3-dark-grey">SQL REFERENCE</a>
</div>
<div class="w3-col l6 w3-hide-small" style="padding-top:40px;padding:3%;">
<h3>SQL Example:</h3>
<div class="w3-code sqlHigh notranslate w3-card-2 w3-border-green" style="height:100px">
SELECT * FROM Customers<br>
WHERE Country='Mexico';
</div>
<a href="/sql/trysql.asp?filename=trysql_select_where" target="_blank" class="w3-button w3-theme w3-hover-green w3-hover-shadow">Try it Yourself »</a>
</div>
</div>
<div class="w3-row w3-dark-grey w3-padding-32">
<div class="w3-col l6 w3-center" style="padding:2% 3%;">
<div class="w3-card-2 w3-white w3-padding" style="padding-bottom:24px!important">
<h2 class="w3-xxlarge">Python</h2>
<div style="height:70px;">
<h4 class="w3-text-dark-grey">A programming language</h4>
</div>
<a href="/python/default.asp" class="w3-button w3-dark-grey">LEARN PYTHON</a>
</div>
</div>
<div class="w3-col l6 w3-center" style="padding:2% 3%;">
<div class="w3-card-2 w3-white w3-padding" style="padding-bottom:24px!important">
<h2 class="w3-xxlarge">PHP</h2>
<div style="height:70px;">
<h4 class="w3-text-dark-grey">A web server programming language</h4>
</div>
<a href="/php/default.asp" class="w3-button w3-dark-grey">LEARN PHP</a>
</div>
</div>
<div class="w3-col l6 w3-center" style="padding:2% 3%;">
<div class="w3-card-2 w3-white w3-padding" style="padding-bottom:24px!important">
<h2 class="w3-xxlarge">jQuery</h2>
<div style="height:70px;">
<h4 class="w3-text-dark-grey">A JavaScript library for developing web pages</h4>
</div>
<a href="/jquery/default.asp" class="w3-button w3-dark-grey">LEARN JQUERY</a>
</div>
</div>
<div class="w3-col l6 w3-center" style="padding:2% 3%;">
<div class="w3-card-2 w3-white w3-padding" style="padding-bottom:24px!important">
<h2 class="w3-xxlarge">Java</h2>
<div style="height:70px;">
<h4 class="w3-text-dark-grey">A programming language</h4>
</div>
<a href="/java/default.asp" class="w3-button w3-dark-grey">LEARN JAVA</a>
</div>
</div>
</div>
<div class="w3-row w3-white" style="padding-top:40px;padding-bottom:40px">
<div class="w3-col l4 w3-center" style="padding:3%;">
<h2 class="w3-xxlarge">W3.CSS</h2>
<h4 class="w3-text-dark-grey">A modern CSS framework for faster and better responsive web pages</h4>
<a href="/w3css/default.asp" class="w3-button w3-dark-grey">LEARN W3.CSS</a>
</div>
<div class="w3-col l4 w3-center" style="padding:3%;">
<h2 class="w3-xxlarge">Color Picker</h2>
<a href="/colors/colors_picker.asp" class="w3-hover-opacity"><img style="width:150px;height:128px;margin-top:16px;" src="/images/colorpicker.png" alt="Colorpicker"></a>
</div>
<div class="w3-col l4 w3-center" style="padding:3%;">
<h2 class="w3-xxlarge">Bootstrap</h2>
<h4 class="w3-text-dark-grey">A CSS framework for designing better web pages</h4>
<a href="/bootstrap/default.asp" class="w3-button w3-dark-grey">LEARN BOOTSTRAP 3</a>
<a href="/bootstrap4/default.asp" class="w3-button w3-dark-grey">LEARN BOOTSTRAP 4</a>
</div>
</div>
<div class="w3-dark-grey w3-center w3-padding-large w3-padding-48" style="padding-bottom:68px!important">
<h2 class="w3-xxlarge">Exercises</h2>
<h4>Test yourself with exercises</h4>
<div class="w3-row-padding w3-content">
<div class="w3-third">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/html/html_exercises.asp">HTML Exercises</a></p>
</div>
<div class="w3-third">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/css/css_exercises.asp">CSS Exercises</a></p>
</div>
<div class="w3-third w3-hide-large w3-hide-small">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/js/js_exercises.asp">JS Exercises</a></p>
</div>
<div class="w3-third w3-hide-medium">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/js/js_exercises.asp">JavaScript Exercises</a></p>
</div>
<div class="w3-third w3-hide-medium w3-hide-large">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/sql/sql_exercises.asp">SQL Exercises</a></p>
</div>
<div class="w3-third w3-hide-medium w3-hide-large">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/python/python_exercises.asp">Python Exercises</a></p>
</div>
</div>
<div class="w3-row-padding w3-content w3-hide-medium w3-hide-small">
<div class="w3-col" style="width:14.28%">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/sql/sql_exercises.asp">SQL</a></p>
</div>
<div class="w3-col" style="width:14.28%">
<p><a class="w3-btn w3-green w3-block w3-padding-16" href="/python/python_exercises.asp">Python</a></p>
</div>
<div class="w3-col" style="width:14.28%">
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