.filter-option {
    left: 0;
    top: 0;
    display: none;
    position: absolute;
    background: #FFF;
    box-shadow: 1px 1px 4px 0 #e6e6e6;
    border-radius: 3px;
    border: 1px solid #EEE;
    padding: 10px 0;
    width: 252px;
    z-index: 100;
}