.foundation {
    background-color: white;

    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    height: 50%;
}

.measures {
    background-color: white;

    border-top-width: 1px;
    border-top-color: black;
    border-top-style: solid;

    position: absolute;
    top: 50%;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 50%;
}

.extra {
    background-color: white;


    border-left-width: 2px;
    border-left-color: black;
    border-left-style: solid;

    position: absolute;
    right: 0;
    top: 0;
    width: 50%;
    height: calc(100% - 80px);
}