.container{
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: auto;
}
.container .section{
    position: relative;
    width: 100%;
    height: 100%;

}
h1{
    text-align: center;
}
.container .section:nth-child(1){
    background-color: burlywood;
    
}

.container .section:nth-child(2){
    background-color: black;
}