@charset "UTF-8";

div {
    font-weight: bold;
    font-size: x-large;
}

#container {
    width: 1600px
    height: 500px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
}
#item1 {
    background-color: crimson;
    width: 100px;
}
#item2 {
    width: 800px;
}

section {
    display : block;
    border-top : 6px solid #555555;
}