#wrap {
    width: 900px;
    height: 600px;
    border: 1px solid black;
    position: relative;
}
#drag {
    height: 100px;
    width: 100px;
    border: 1px solid black;
    background-color: #ccc;
    position: relative;
    z-index: 1;
}
#drop {
    position: absolute;
    height: 200px;
    width: 200px;
    border: 1px solid black;
    background-color: #ccc;
    top: 10px;
    right: 10px;
}

#del {
    display: none;
}
#del li.disabled {
    opacity: .5;
}

#log {
    position: absolute;
    right: 5px;
    width: 300px;
}