.sticky-top {background-color: #f7ff14;}
.list-group-item {font-size: 1.5rem;}
a.list-group-item {color:#f7ff14;}
.card-header .btn-lg {color:#f7ff14;font-size: 1.5rem;}
.card-body {background-color: #565656;}
.container-iframe {padding-top: 55%;}
.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}
.btn.yellow {background-color: #f7ff14;border-color:#f7ff14;color:#000;}
.btn.white {background-color: #fff;border-color:#000;color:#000;}