.tombol_contact{
    position: fixed;
    /* right : 10px;   */
    left : 17px;
    height: 10px;
    bottom: 50px;
    color: green;
}
/*.tombol_contact img{
    height: 50px; 
    width: auto;
    background-color: green;
}*/
.tombol_facebook{
    position: fixed;
    /* right : 10px;   */
    left : 17px; 
    height: 15px;
    bottom: 90px;
    color: red;
}
.tombol_instagram{
    position: fixed; 
    /* right : 10px;   */
    left : 17px; 
    height: 12px;
    bottom: 138px;
    color: red;
}
.tombol_youtube{
    position: fixed; 
    /* right : 10px;   */
    left : 17px; 
    height: 9px;
    bottom: 179px;
    color: red;
}