.mycard {
  background-color: transparent !important;
  padding: 0px;
  margin-top: 50px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  height: 250px;
  overflow: hidden;
  border: none;
  border-radius: 5px;
  z-index:2;
  -webkit-mask-image: url(https://images.unsplash.com/photo-1461727885569-b2ddec0c4328?dpr=1&auto=format&fit=crop&w=1500&h=1002&q=80&cs=tinysrgb&crop=);
}

.red {
  background-color: #f9ea23;
}

.overlay:before{
  position: absolute;
  margin: 0 0 0 -25px;
  top: 0;
  left: 50%;
  content:" ";
  width: 50px;
  height: 50px;
  opacity: 0;
  transition: all 1000ms ease;
  background: url('https://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Plus_font_awesome.svg/2000px-Plus_font_awesome.svg.png') 50% / 50px no-repeat;
}

.overlay:hover:before{
  top: 50%;
  opacity: 1;
}

.overlay:hover img {
  opacity: 0.5;
  transition: opacity 1000ms ease;
  -webkit-backface-visibility: hidden;
}