Yin-Yang circle created with a DIV tag and CSS properties (without image file).
Code:
<style type="text/css">
#yinyang {
 width: 100px; height: 50px;
 background: #fff;
 border-color: #000;
 border-style: solid;
 border-width: 2px 2px 50px 2px;
 border-radius: 100%;
 position: relative;
}
#yinyang:before {
 content: "";
 position: absolute;
 top: 50%;
 left: 0;
 background: #fff;
 border: 18px solid #000;
 border-radius: 100%;
 width: 14px;
 height: 14px;
}
#yinyang:after {
 content: "";
 position: absolute;
 top: 50%;
 left: 50%;
 background: #000;
 border: 18px solid #fff;
 border-radius:100%;
 width: 14px;
 height: 14px;
}
</style>

<div id="yinyang"></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;
Yin-Yang with CSS

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