.wrapper-dropdown-3:hover .dropdown {
    display: block;
}

.dropdown {
    list-style: none;
    padding: 20px;
    width: 150px;
    border: solid 1px black;
    position: absolute;
    top: 60px;
    left: 50px;
    display: none;
    background-image: url(../Image/logo.png);
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
    z-index: 1;
}

    .dropdown li {
        margin-top: 15px;
        transition: ease-in all 0.3s;
    }

        .dropdown li:hover {
            font-size: 18px;
        }

        .dropdown li a {
            color: rgba(0,0,0,0.8);
            text-decoration: none;
        }