.border {
    border:1px solid black;
}



.red {
    background:#f00;
}

.green {
    background:#00ff21;
}

.orange {
    background:#ffd800;
}

.maxheight {
    height:100%;
}

.halfheight {
    height:50%;
}

.halfLineHeight {
    line-height:50%;
}

.left {
    float:left;
}

.right {
    float:right
}

.gap {
    height:40px;
}