position float code example

Example 1: how to clear floats

This is the code 

.float-wrapper::after {
  content: "";
  clear: both;
  display: block;
}
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Explanation:

.float-wrapper -> is some parent element that wraps the floating items

example:

     
 
     
 
 
     ....
 

::after  adds  an element after the .float-wrapper, that 
has no content and clears floats from the both sides, making sure, 
other sections are not affected by floats

Example 2: float property in css

The float property is a positioning tool in css that is used to
push elements left or right. 

float: left;
float: right;