always keep footer bottom code example

Example 1: keep footer at bottom of page

#footer {
  position: relative;
  margin-top: -180px;
  /* negative value of footer height */
  height: 180px;
  clear: both;
 /*Custom styling*/
}

/* Opera Fix thanks to Maleika (Kohoutec) */

body:before {
  content: "";
  height: 100%;
  float: left;
  width: 0;
  margin-top: -32767px;
  /* thank you Erik J - negate effect of float*/
}

Example 2: how to keep footer bottom of the page css

.footerclass {
  background-color: #eeeeee;
  position: fixed;
  top: auto;
  bottom: 0;
  width: 100%;
  display: inline-block;
}