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 tag defines the clickable areas inside the image map?
<map> <img> <area>
<img src="image.jpg" usemap="#map1">
<map name="map1">
  <area shape="rect" coords="9, 120, 56, 149" href="#">
  <area shape="rect" coords="100, 200, 156, 249" href="#">
</map>
Which CSS property defines what is done if the content in a box is too big for its defined space?
display overflow position
#id {
  overflow: auto;
}
Click on the event which is triggered when the mouse is positioned over an object.
onclick onmouseover onmouseout
document.getElementById("id").onmouseover = function(){
  document.write("Have Good Life");
}
Indicate the PHP variable that contains data added in URL address after the "?" character.
$_SESSION $_GET $_POST
if(isset($_GET["id"])) {
  echo $_GET["id"];
}
Diamond shape with CSS

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