body{
    margin:0;
    background:#f4f4f4;
    font-family:Arial, sans-serif;
}

.container{
    width:900px;
    margin:20px auto;
    border:3px solid black;
}



.top{
    height:100px;
    background:#ffd43b;
    position:relative;
    border-bottom:3px solid black;
}

.logo{
    width:120px;
    height:35px;
    background:white;
    border:2px solid black;

    position:absolute;
    top:15px;
    left:15px;
}

.top h1{
    margin:0;
    text-align:center;
    line-height:100px;
}

.middle{
    height:500px;
    font-size:0;
}

.block{
    display:inline-block;
    vertical-align:top;

    width:25%;
    height:100%;

    padding:15px;
    box-sizing:border-box;

    border-right:3px solid black;

    font-size:16px;
    text-align:center;
}

.block:last-child{
    border-right:none;
}

.ocean{
    background:#4361ee;
    color:white;
}

.sunset{
    background:#ff6b6b;
}

.city{
    background:#dddddd;
}

.forest{
    background:#80ed99;
}

.scroll{
    height:250px;
    overflow:auto;
    background:white;
    padding:10px;
}

.rotate{
    transform:rotate(2deg);
}

.bottom{
    height:70px;
    background:#ffd43b;
    border-top:3px solid black;
}

.bottom h2{
    margin:0;
    line-height:70px;
    text-align:center;
}