/* custom */
section[data-id="1"] {
    background-color: #3498db;
}
section[data-id="2"] {
    background-color: #40d47e;
}
section[data-id="3"] {
    background-color: #ff8c81;
}
section[data-id="4"] {
    background-color: #3498db;
}
.box1 {
    width: 100px;
    height: 200px;
    background-color: #ecf0f1;
    position: absolute;
    left: 160px; top: 126px;
}
.box2 {
    width: 200px;
    height: 100px;
    background-color: #8e44ad;
    position: absolute;
    left: 60px; top: 226px;
}
.box3 {
    width: 100px;
    height: 100px;
    background-color: #34495e;
    position: absolute;
    left: 160px; top: 226px;
}
.box4 {
    width: 50px;
    height: 50px;
    background-color: #e74c3c;
    position: absolute;
    left: 185px; top: 250px;
}