.dropbtn {
    background-color: #ffffff;
    color: #000000;
    cursor: pointer;
    float: left;
}

.dropbtn:hover, .dropbtn:focus {
    background-color: #aaaaaa;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    margin-top: 35px;
    position: absolute;
    background-color: #f9f9f9;
    opacity: 0.85;
    color: #000000;
    font: 12px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: #000000;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown a:hover {background-color: #dddddd}

.show {display:block;}