.menublocks {
    width: 100%;
}

button.menublock, button.menublockH, button.menublockD {
    width: 32%;
    margin-left: 5px;
    margin-right: 5px;
    margin-top: 10px;
    font-size: 45px;
    border: none;
    border-radius: 6px;
    height: 200px;
    color: white;
    background-color: #C21415;
    vertical-align: top;
}

button.menublockH {
    color: black;
}

button.menublockD {
    color: white;
}