body {
    font-family: Verdana;
    text-align: center;
}

.part {
    display: block;
    margin-bottom: 5px;
}

.container {
    text-align: left;
    display: inline-block;
    vertical-align: top;
    width: 30%;
    min-width: 400px;
    border: 1px solid #ddd;
    height: 300px;
    position: relative;
}

.container:after {
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #999;
}

.container.code {
    overflow-y: auto;
}

.snap-container {
    height: 20px;
    width: 100%;
    background-color: darkgrey;
    margin-top: 25px;
    position: absolute;
}
.snap-container:after {
    display: block;
    content: 'snap-container';
    width: 100%;
    height: 100%;
    text-align: center;
    color: white;
    font-size: 15px;
    line-height: 20px;
}

.drag {
    width: 50px;
    height: 50px;
    border: 1px solid black;
    background-color: #ffffc8;
    cursor: pointer;
    position: absolute;
}
        
.drag.selected {
    background-color: #b6f3b6;
}

#c1:after {
    content: 'Smart guides';
}
#c2:after {
    content: 'Smart guides + Multidraggable';
}
#c3:after {
    content: 'Smart guides with custom class + snap without guides';
}

#c2 .smart-guide {
    border-color: black;
    border-style: dashed;
}

#c3 .guide {
    border-color: blue;
    border-style: dotted;
}

pre {
    white-space: pre-wrap;
    margin: 2px 5px;
}