html {
  position: relative;
  min-height: 100%;
}
body {
  /* Margin bottom by footer height */
  margin-bottom: 60px;
  min-height: 100%;
}
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  /* Set the fixed height of the footer here */
  height: 60px;
  /*background-color: #f5f5f5;*/
}
.max-carousel{
    height: 300px;
    max-height: 300px;
}
.op-50{
    background-color: white;
    opacity: .6;
}
#button {
  display: inline-block;
  background-color: #FF9800;
  width: 50px;
  height: 50px;
  text-align: center;
  border-radius: 4px;
  position: fixed;
  bottom: 30px;
  right: 30px;
  transition: background-color .3s, 
    opacity .5s, visibility .5s;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}
#button:before {
  font-family: "Font Awesome 5 Free";
  content: "\f0d8";
  font-weight: 900;
  font-style: normal;
  font-size: 2em;
  line-height: 50px;
  color: #fff;
}
#button:hover {
  cursor: pointer;
  background-color: #333;
}
#button:active {
  background-color: #555;
}
#button.show {
  opacity: 1;
  visibility: visible;
}