html,body { margin: 0; padding: 0; overflow-x: hidden; }

.shadow-bottom {
  box-shadow: 0 8px 20px -20px black;
}

.custom-spacer-25 { height: 25px; }
.custom-spacer-50 { height: 50px; }
.custom-spacer-100 { height: 100px; }