#navbar {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    height: 40px;
    width: 300px;
    background-color: #cacaca;
    border: outset;
    border-width: 5px;
    border-color: #fff;
    box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.7);
    z-index: 69;
}
#navbar .content {
    position: relative;
    bottom: 20px;
}