body{
    opacity: 1;
    background-size: contain;
    background-repeat: no-repeat;
    background-position:fixed;
    background: url('Game_of_Thrones_title_card.jpg') no-repeat center center/cover;
 height: 100%;
 width: 100%;}

.container:hover{
    border-radius: 25px;
    border:4px solid rgb(255, 251, 0);
    opacity: 0.7;
    background-color: rgb(255, 255, 255);
    height: 100%;
 width: 100%;
}
.container{
    color: rgb(224, 235, 17);
    opacity:1;
 font-size: large;
 font-weight:bolder;
 height: 50%;
}
.container1:hover{
    opacity:1;
    color: rgb(8, 8, 8);
 font-size: large;
 font-weight:bolder;
 height: 50%;
} 
@keyframes start{
    from{background-image:url("gameofthrones-allseasons.jpg");} to {background-image:url("got.jpg");}
}
.container3{
    border:2px solid rgb(52, 8, 8);
    padding:3%;
    border-radius:25px;
    text-shadow: 1px 1px black;
      display: flex; 
justify-content: center;
align-items: center;
animation-name: start;
animation-duration: 8s;
}
.container3:hover{
    border:2px solid rgb(255, 249, 249);
    border-radius:25px;
      display: flex; 
justify-content: center;
align-items: center;
}