.dropdown1 {
    position: relative;
    display: inline-block;
    cursor:pointer;
}

.dropdown-content1 {
    position: absolute;
    display: none;
    top: 100%;
    left: 0;
    z-index: 1000;
    float: left;
    padding: .65rem 0;
    font-size: .88rem;
    color: #495057;
    text-align: left;
    list-style: none;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: .25rem;
}

.dropdown1:hover .dropdown-content1 {
    display: block;
}