.multiselect {
    width: 200px;
}
.selectBox {
    position: relative;
}
.selectBox select {
    width: 100%;
    font-weight: bold;
}
.overSelect {
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
}
#checkboxes {
    display: none;
    border: 1px #dadada solid;
}
#checkboxes label {
    display: block;
}
#checkboxes label:hover {
    background-color: #1e90ff;
}