.navbar-bottom-rounded {
    background-color: lightgray;
    overflow: hidden;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding-bottom: 15px;
}

.navbar-bottom-rounded a {
    background-color: #4285F4;
    color: white;
    border-radius: 20px;
    width: 25%;
    float: left;
    display: block;
    text-align: center;
    padding: 10px 10px 10px 10px;
    border: 10px;
    border-color: lightgray;
    border-style: solid;
    text-decoration: none;
    font-size: 14px;
}

.navbar-bottom-rounded a:hover {
    background: #5494FF;
    color: white;
}

.navbar-bottom-rounded a.active {
    background-color: darkgray;
    color: black;
}