• Pentagon
  • Hexagon
  • Octagon

Various polygon shapes with CSS, created only with a sinlge DIV tag and a few CSS properties.

Parallelogram

- The content in parallelogram is distorted according to its shape.
Code:
<style type="text/css">
#parallelogram{
 margin:5px 0 5px 20px;
 width: 150px;
 height: 100px;
 -webkit-transform: skew(20deg);
 -moz-transform: skew(20deg);
 -o-transform: skew(20deg);
 background: #abcdef;
}
</style>

<div id="parallelogram">Web Programming Courses<br/>https://CoursesWeb.net</div>
Demo:
Web Programming Courses
http://CoursesWeb.net

Pentagon

Code:
<style type="text/css">
#pentagon {
 margin:70px 0 5px 20px;
 position: relative;
 width: 110px;
 border-width: 100px 36px 0;
 border-style: solid;
 border-color: #abefcd transparent;
}
#pentagon:before {
 content: "";
 position: absolute;
 height: 0;
 width: 0;
 top: -170px;
 left: -36px;
 border-width: 0 90px 70px;
 border-style: solid;
 border-color: transparent transparent #abefcd;
}

/* Content in pentagon */
#pentagon div{
 position:absolute;
 top:-50px;
}
</style>

<div id="pentagon"><div>CoursesWeb.net</div></div>
Demo:
CoursesWeb.net

Hexagon

Code:
<style type="text/css">
#hexagon {
 width: 100px;
 height: 55px;
 background: #cdabef;
 position: relative;
}
#hexagon:before {
 content: "";
 position: absolute;
 top: -25px;
 left: 0;
 width: 0;
 height: 0;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
 border-bottom: 25px solid #cdabef;
}
#hexagon:after {
 content: "";
 position: absolute;
 bottom: -25px; left: 0;
 width: 0;
 height: 0;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
 border-top: 25px solid #cdabef;
}
</style>

<div id="hexagon">MarPlo.net</div>
Demo:
MarPlo.net

Octagon

Code:
<style type="text/css">
#octagon {
 width: 100px;
 height: 100px;
 background: #a0e8a1;
 position: relative;
}
#octagon:before {
 content: "";
 position: absolute;
 top: 0;
 left: 0;
 border-bottom: 29px solid #a0e8a1;
 border-left: 29px solid #eee;
 border-right: 29px solid #eee;
 width: 42px;
 height: 0;
}
#octagon:after {
 content: "";
 position: absolute;
 bottom: 0;
 left: 0;
 border-top: 29px solid #a0e8a1;
 border-left: 29px solid #eee;
 border-right: 29px solid #eee;
 width: 42px;
 height: 0;
}
</style>

<div id="octagon"></div>
Demo:

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which HTML element can be used to embed a SWF flash content?
<object> <div> <script>
<object type="application/x-shockwave-flash" data="file.swf" width="500" height="250">
 <param name="src" value="file.swf" />
 Your browser not support SWF.
</object>
Which CSS pseudo-class adds a style to an input form field that has keyboard input focus?
:active :focus :hover
input:focus {
  background-color: #88fe88;
}
Click on the instruction which converts a JSON string into a JavaScript object.
JSON.stringify(javascript_object) object.toString() JSON.parse(json_string)
var jsnstr = '{"url": "http://coursesweb.net/", "title": "Web Development Courses"}';
var obj = JSON.parse(jsnstr);
alert(obj.url);
Indicate the PHP function which can be used to create or write a file on server.
fopen() file_put_contents() file_get_contents()
if (file_put_contents("file.txt", "content")) echo "The file was created";
else echo "The file can not be created";
Polygons with CSS

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