Body {
  background-image: url(Sharkies.gif);
  background-size: cover;
  margin: auto;
  width: 50%;
}
#EEE {
  width: 400px;
  height: 400px;
}
#button {
  width: 50%;
  height: 50%;
}
div {
  display: flex;
  justify-content: center;
}
h1 {
 color:white; 
}
tc.container{
  width: 500px;
  height: 700px;
  margin-top: 40px;
  position: relative;
}
.tc-container img{
  width: 50%;
  height: 500%;
}
.top-img {
  position: absolute;
  left: auto;
  top: 90px;
  opacity: 0;
  object-fit: cover;
}
.top-img:hover{
  opacity: 1;
}