.mypopover {
    border-bottom-right-radius: 4px;
    border-bottom-left-radius: 4px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-top-color: #e6e6e6;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
    margin-top: -1px;
    max-height: 200px;
    position: absolute;
    top: 100%;
    width: 100%;
    z-index: 1;
    -webkit-overflow-scrolling: touch;
    min-width: 280px;
    overflow-x: hidden;
    overflow-y: auto;
}

.mypopover-menu {
    max-height: 180px;
    min-width: 270px;
}