<style>
.swapcontainer {
  position: relative;
  width: 50%;
}

.swapimage {
  opacity: 1;
  display: block;
  width: 100%;
  height: auto;
  transition: .5s ease;
  backface-visibility: hidden;
}

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.swapcontainer:hover .swapimage {
  opacity: 0.5;
}

.swapcontainer:hover .middle {
  opacity: 1;
}

.swaptext {
  background-color:rgba(255,255,255,0.70);
  color: black;
  font-weight:lighter;
  font-size: 26px;
  padding: 16px 22px;
}

a {
	color: ;
}


</style>