format.css

.footer {
    clear: both;
    border: 1px;
    color: Black;
    padding: 0;
    text-align: center;
    line-height: normal;
    margin: 0;
    position: fixed;
    bottom: 0px;
}

.navbar {
    overflow: hidden;
    background-color: #45B69C;
}

.navbar a {
    float: left;
    font-size: 16px;
    color: white;
    text-align: center;
    text-decoration: none;
}

.dropdown {
    float: left;
    overflow: hidden;
    width: 33.333%;
}

.dropdown .dropbtn {
    font-size: 16px;  
    border: none;
    outline: none;
    color: #FFFBFA;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
    height: 70px;
    width: 100%;
}

.navbar a:hover, .dropdown:hover .dropbtn {
    background-color: #4D8B31;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #45B69C;
    box-shadow: #4D8B31;
    z-index: 1;
    width: 32.8333%
}

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

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

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