#fdiv {
    margin-top: 10px;
}

footerDiv ul {
    display: flex;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%)
}

ul li {
    list-style: none;
    padding: 5px 5px 5px 5px
}

    ul li #acl {
        width: 50px;
        height: 50px;
        background: #fff;
        text-align: right;
        line-height: 10px;
        font-size: 20px;
        margin: 0 5px;
        display: block;
        border-radius: 50%;
        position: relative;
        overflow: hidden;
        border: 3px solid #fff;
        z-index: 1;
    }

        ul li #acl .fa {
            font-size: 40px;
            padding-right: 5px;
            padding-top: 2px;
            position: relative;
            color: #262626;
            transition: .5s;
            z-index: 3;
        }

        ul li #acl:hover .fa {
            color: #fff;
            transform: rotateY(360deg);
        }

        ul li #acl:before {
            content: '';
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            height: 100%;
            background: #f00;
            transition: .5s;
            z-index: 2;
        }

        ul li #acl:hover:before {
            top: 0;
        }

    ul li:nth-child(1) #acl:before {
        background: #3b5999;
    }

    ul li:nth-child(2) #acl:before {
        background: #55acee;
    }

    ul li:nth-child(3) #acl:before {
        background: #e4405f
    }

/*ul li:nth-child(4) #acl:before {
      background:#e4405f
}*/
#copyright {
    color: white;
    margin-left: 150px;
}

@media (min-width: 768px) {
    #fdiv {
        float: none;
        margin: 0;
    }

        #fdiv > li {
            float: left;
        }

            #fdiv > li > a {
                padding-top: 15px;
                padding-bottom: 15px;
            }
}