body {
    font: 1.2em Helvetica, Arial, sans-serif;
    margin: 20px;
    padding: 0;
}

section {
    border: 3px solid #717cb5;
    border-radius: 2px;
    padding: 0px;
}

.box {
    border-top: 2px dotted rgb(96, 139, 168);
    border-left: 2px dotted rgb(96, 139, 168);
    display: flex;
}

.box > div {
    padding: 20px;
    border: 2px solid rgb(96, 139, 168);
    border-radius: 5px;
    background-color: rgba(96, 139, 168, .2);
    height: 25px;
}

.box > div:nth-child(1) {
    height: 150px;
}

.selected {
    margin-top: 70px;
}


@media (max-width: 700px) {
    .box {
        flex-direction: column;
    }
    .box > div {
        padding: 20px;
        width: 40px;
    }
    .box > div:nth-child(1) {
        width: auto;
        height: auto;
    }
    .selected {
        margin-top: 0;
        margin-left: 60px;
    }
}