Css Course

Two diamond shapes, simple created with a single DIV tag and CSS properties.
Code:
<style type="text/css">
#diamond {
 width: 0;
 height: 0;
 border: 50px solid transparent;
 border-bottom: 20px solid #05ed08;
 position: relative;
 top: -50px;
}
#diamond:after {
 content: "";
 position: absolute;
 left: -50px;
 top: 20px;
 width: 0;
 height: 0;
 border: 50px solid transparent;
 border-top: 70px solid #05ed08;
}
</style>

<div id="diamond"></div>
Demo:
Diamond shield

Diamond 2

Code:
<style type="text/css">
#diamond {
 border-style: solid;
 border-color: transparent transparent #0809fe transparent;
 border-width: 0 25px 25px 25px;
 height: 0;
 width: 50px;
 position: relative;
 margin: 10px 0;
}
#diamond:after {
 content: "";
 position: absolute;
 top: 25px;
 left: -25px;
 width: 0;
 height: 0;
 border-style: solid;
 border-color: #0809fe transparent transparent transparent;
 border-width: 70px 50px 0 50px;
}
</style>

<div id="diamond"></div>
Demo:
 

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which HTML5 tag is indicated to be used as container for menu with navigation links in Web site?
<section> <nav> <article>
<nav><ul>
 <li><a href="http://coursesweb.net/css/" title="CSS Course">CSS Course</a></li>
 <li><a href="http://www.marplo.net/jocuri/" title="Flash Games">Flash Games</a></li>
</ul></nav>
Which CSS property shifts an item horizontally to the left or right of where it was?
text-align clear float
.some_class {
  width: 30%;
  float: left;
}
Click on the Math object method which returns x, rounded downwards to the nearest integer.
Math.ceil(x) Math.abs(x) Math.floor(x)
var num = 12.34567;
num = Math.floor(num);
alert(num);       // 12
Indicate the PHP function which returns the number of characters in string.
mb_strlen() count() stristr()
$str = "string with utf-8 chars åèö";
$nrchr = mb_strlen($str);
echo $nrchr;        // 30
Diamond shape with CSS

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