.dropbtn {
    background-color: #ffffff;
    color: rgb(0, 0, 0);
    padding: 26px;
    font-size: 20px;
    border: none;
    }

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

    .dropdown-content {
    display: none;
    position: absolute;
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px #aaa;
    z-index: 1;
    }

    .dropdown-content a {
    color: rgb(0, 0, 0);
    padding: 5px 5px;
    font-size: 14px;
    text-decoration: none;
    display: block;
    }

    .dropdown {
        float: left;          
    }

    .lambang-panah {
        position: relative;
        top: -1px;
        font-size: 0px;
        height: 0px;
        line-height: 0;
        width: 0px;
        border-width: 4px 4px 0px;
        padding-top: 1px;
        left: 4px;
        border-style: solid dashed dashed;
        border-right: 4px dashed transparent;
        border-color: #000000 transparent transparent;
        background-color: #ffffff;
      }

    .dropdown-content a:hover {background-color: #d8d8d8;}

    .dropdown:hover .dropdown-content {display: block;}

    .dropdown:hover .dropbtn {background-color: #ffffff;}