*{
    margin:0;
    padding: 0;
    box-sizing: border-box;
    font-family: gilroy;
    color: #fff;
}

html,body{
    height: 100%;
    width: 100%;
}
body{
    background-color: #111;
    margin-top: 50px;
    overflow: hidden;
}

#box{
    height: 300px;
    width: 300px;
    background-color: crimson;
}