.top10{
    padding-top: 10px;
}
.top20{
    padding-top: 20px;
}
.top30{
    padding-top: 30px;
}
.top40{
    padding-top: 40px;
}
.top50{
    padding-top: 50px;
}


html, body {
  height: 100%;
}

#wrap {
  min-height: 100%;
}

#main {
  padding-bottom:20px; /* this needs to be bigger than footer height*/
}

.footer {
  position: relative;
  text-align: center;
  margin-top: -50px; /* negative value of footer height */
  height: 50px;
  clear:both;
  padding-top:20px;
} 

.fixed-120 {
    min-height: 120px;
    height: 120px;
}