.zone-container {
    clear: both;
    float: none;
    width: 904px;
}

.zone-container .zone {
    min-height: 100px;
    background-color: #bbb;
    border: 1px solid #444;
}

.zone-container .one-column {
    float: left;
    width: 900px;
}


.zone-container .left-column {
    float: left;
}

.zone-container .right-column {
    float: right;
}

.zone-container .thin {
    width: 250px;
}

.zone-container .wide {
    width: 650px;
}

.library .module-item {
    width: 200px;
    height: 50px;
    float: left;
    border: 1px solid black;
    background-color: #aaa;
    margin: 5px;
}

.zone .module-item {
    min-height: 50px;
    float: left;
    border: 1px solid black;
    background-color: gold;
    width: 95%;
    margin:5px;
}

.zone .module-plcae-holder {
    height: 50px;
    float: left;
    border: 1px solid black;
    background-color: #222;
    width: 95%;
    margin:5px;
}