.drop-down-checkbox .label{
    height: 17px;
    border: solid 1px #787878;
    margin: auto;
    padding: 2px 4px;
    text-align: left;
    font: 13px Arial;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.drop-down-checkbox .label:focus {
    outline: -webkit-focus-ring-color auto 5px;
}

.drop-down-checkbox .drop-down{
    width: 155px;
    font: 13px Arial;
    max-height: 250px;
    overflow: auto;
    border: solid 1px #787878;
    background-color: white;
    display: none;
    padding: 10px;
    position: relative;
    z-index: 10;
}

.drop-down-checkbox .drop-down * {
    text-align: left;
}

.drop-down-checkbox .drop-down .all,
.drop-down-checkbox .drop-down .item {
    display: block;
    line-height: 1.8em;
}

.drop-down-checkbox .drop-down .all {
    margin-bottom: 5px;
}

.drop-down-checkbox .drop-down .all input,
.drop-down-checkbox .drop-down .item input {
    margin-right: 5px;
}

.drop-down-checkbox .drop-down .all *,
.drop-down-checkbox .drop-down .item * {
    vertical-align: middle;
    white-space: nowrap;
}