body, html{
    margin:0;
    padding:0;
    font-size: 1em;
    font-weight: 200;
    color:white;
}

.item{
    text-align:center;
    background-color:gray;
    border:1px solid white;
    flex-grow:1;
}

.container{
    height:100vh;
    display:flex;
    align-items:center;
}

.item1{
    height:20vh;
    line-height:20vh;
}
.item2{
    height:30vh;
    line-height:30vh;
}
.item3{
    height:15vh;
    line-height:15vh;
}
.item4{
    height:35vh;
    line-height:35vh;
}
.item5{
    height:50vh;
    line-height:50vh;
}
.item6{
    height:20vh;
    line-height:20vh;
}