body{
    margin: 0;
    padding: 0;
}
.opening{
width:100vw;
height:100vh;
position:relative;
}
.opening img{
width:100%;
height:100%;
object-fit:cover;
}
.swipe{
position:absolute;
bottom:8%;
left:50%;
transform:translateX(-50%);
color:white;
font-size:18px;
text-align:center;
}
.arrow{
font-size:42px;
animation:up 1.5s infinite;
}
@keyframes up{
50%{transform:translateY(-15px)}
}