.footer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    color: white;
    height: 40px;
    background-color: #2f3c48;
    border-top: 1px solid #475b6d;
}

.footer-icon {
    margin-right: 10px;
    margin-top: 4px;
    float: right;

}

.span-icon {
    height: 32px;
    display: inline-block;
}

.span-icon:hover {
    background-color: rgba(125, 162, 196, 0.308);
    border-radius: 5px;
}

.span-icon i {
    text-align: center;
    margin-top: 4px;
    margin-right: 15px;
    margin-left: 15px;
    font-size: 25px;
    color: #cae4fb;
    cursor: pointer;
}