body {
  display:flex;
  flex-direction: column;
}
#main {
  flex:  1; /* Make the main content take up maximum space so footer is pinned to bottom */
}
.bs-example{
    	margin: 20px;
}

#footer {
  display: flex;
  align-items: center;
  justify-content: center;
}

#cont {
  margin-top:25vh !important;
}