.dropbtn3, .dropbtn4 {
    background-color: #3ba3b5;
    color: white;
    font-size: 16px;
    border: none;
    cursor: pointer;
}
.dropbtn3 {
    padding: 16px;
    width: 300px;
}
.dropbtn4 {
    margin: auto;
    padding: 20px;
    width: 300px;
}

.dropbtn2 {
    background-color: #000d16;
    color: white;
    margin: auto;
    padding: 20px;
    width: 300px;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.dropdown3, .dropdown2, .dropdown4 {
    position: relative;
    display: inline-block;
}

.dropdown-content3, .dropdown-content4 {
    display: none;
    position: relative;
    background-color: #3ba3b5;
    width: 300px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
    text-align: center;
}
.dropdown-content2 {
    display: none;
    position: relative;
    background-color: #000d16;
    width: 300px;
    text-align: center;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content3 a, .dropdown-content4 a, .dropdown-content2 a {
    color: #000d16;
    text-align: center;
    margin: auto;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}
.dropdown-content2 a {
    padding: 5px 2px 5px 2px;
}
.dropdown-content4 a {
    padding: 5px 2px 5px 2px;
}

.dropdown-content3 a:hover, .dropdown-content4 a:hover {
    background-color: #3ba3b5;
}
.dropdown-content2 a:hover {
    background-color: #000d16;
}

.dropdown3:hover .dropdown-content3,
.dropdown2:hover .dropdown-content2,
.dropdown4:hover .dropdown-content4 {
    display: block;
}

.dropdown3:hover .dropbtn3 {
    background-color: #000d16;
}
.dropdown2:hover .dropbtn2 {
    background-color: #000d16;
}
.dropdown4:hover .dropbtn4 {
    background-color: #3ba3b5;
}