*{
    margin: 0px;
    box-sizing: border-box;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
}

.container{
    display: grid;
    grid-template-columns: 250px 250px 250px 200px;
    /* grid-template-columns: 1fr 1fr 1fr 200px; */
    grid-template-rows: 200px 400px 800px 200px;
    /* grid-template-rows: 1fr 2fr 4fr 1fr; */
   grid-gap: 20px;
    color: white;
    font-family: sans-serif;
    padding: 20px;
    font-size: 20px;
    /* width: 100vh; */
    height: 100vh;
}

.container > *{
    background-color: royalblue;
    padding: 20px;
    /* border: 2px solid black; */
    
}

.header{
    grid-column: 1/ span 4;
    grid-row: 1;
    /* grid-area: 1/1/2/5; */
}

.box1{
    grid-area: 2/1;
}

.box2{
    grid-area: 2/2;
}

.box3{
    grid-area: 2/3;
}

.sidebar{
    grid-area: 2/4/4;
}

.main{
    grid-area: 3/1/4/4;
}

.footer{
    grid-area: 4/1/5/-1;
}