.dateselector {
    position: relative;
    width: 100px;
}

#dateselector-container {
    position: absolute;
    top: 0;
    left: 0;
    background: #fff;
    border: 1px solid #eee;
    min-width: 200px;
    min-height: 200px;
    box-shadow: 0 20px 20px rgba(0,0,0,.2);
    outline: 0;
}