Check out example codes for "css left". It will help you in understanding the concepts better.

Code Example 1

div.fixed {
  position: fixed;
  
bottom: 0;
  right: 0;
  width: 
300px;
  border: 3px solid #73AD21;
}

Code Example 2

<html>
   <head>
   </head>

   <body>
      <div style = "position:relative; left:80px; top:2px; background-color:yellow;">
         This div has relative positioning.
      </div>
   </body>
</html>

Code Example 3

.right {
  position: fixed; /* the fixed pos makes it work */
  left: /*how much you want to move it left 
    put % or px or rem at end of the amount */;
}

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