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 attribute is used in <img> tag for the address of the image?
href src rel
<img src="http://coursesweb.net/imgs/webcourses.gif" width="191" height="63" alt="Courses-Web" />
Which CSS code hides the element on page?
display: none; display: inline; position: relative;
#id {
  display: none;
}
What instruction stops the execution of a while() or for() statement?
continue prompt() break
for(var i = 0; i< 8; i++) {
  if(i > 1) break;
  alert(i);
}
Indicate the function that can create a constant.
define() include() defined()
define("CONSTANT_NAME", "value");
echo CONSTANT_NAME;
Diamond shape with CSS

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