body {font-family: Verdana,Arial,Helvetica,sans-serif;}
.nav {background-color: aliceblue;}
img {cursor: pointer;}
.ui-dialog {z-index: 1100;}
.scroll-to-top {
  position: fixed;
  right: 25px;
  bottom: 10px;
  display: none;
  width: 50px;
  height: 50px;
  text-align: center;
  color: black;
  background: rgba(0, 255, 255, 0.75);
  line-height: 45px; }
.scroll-to-top:focus, .scroll-to-top:hover {color: white; }
.scroll-to-top:hover {background: #343a40;}
.scroll-to-top i {font-weight: 800;}