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/* Version 1 */

body {
  /* Footer size */
  padding-bottom: 60px;
}

footer {
  width: 100%;
  max-height: 60px;
  position: fixed;
  bottom: 0;
  text-align: center;
  line-height: 55px;
  background-color: #e6e6e6;
  color: #737373;
}

/* Version 2 */
footer {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 56px;
  background-color: #e9ecef;
  line-height: 55px;
}