body {
    margin:0;
    padding:50px;
    background: #ebebeb;
  }
  .logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    padding: 0;
    max-width: 100%;
    width: 100%;
  }
  .logo img {
    margin-bottom: 50px;
    flex-direction: column-reverse;
    align-items: center;
  }
  ul {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  ul li {
    list-style:none;
  }
  ul li a {
    display:block;
    position:relative;
    width:100px;
    height:100px;
    line-height:100px;
    font-size:40px;
    text-align:center;
    text-decoration:none;
    color:#404040;
    margin: 0 30px;
    transition:.5s;
  }
  ul li a span {
    position:absolute;
    transition: transform .5s;
  }
  ul li a span:nth-child(1),
  ul li a span:nth-child(3){
    width:100%;
    height:3px;
    background:#404040;
  }
  ul li a span:nth-child(1) {
    top:0;
    left:0;
    transform-origin: right;
  }
  ul li a:hover span:nth-child(1) {
    transform: scaleX(0);
    transform-origin: left;
    transition:transform .5s;
  }
  
  ul li a span:nth-child(3) {
    bottom:0;
    left:0;
    transform-origin: left;
  }
  ul li a:hover span:nth-child(3) {
    transform: scaleX(0);
    transform-origin: right;
    transition:transform .5s;
  }
  
  ul li a span:nth-child(2),
  ul li a span:nth-child(4){
    width:3px;
    height:100%;
    background:#404040;
  }
  ul li a span:nth-child(2) {
    top:0;
    left:0;
    transform:scale(0);
    transform-origin: bottom;
  }
  ul li a:hover span:nth-child(2) {
    transform: scale(1);
    transform-origin: top;
    transition:transform .5s;
  }
  ul li a span:nth-child(4) {
    top:0;
    right:0;
    transform:scale(0);
    transform-origin: top;
  }
  ul li a:hover span:nth-child(4) {
    transform: scale(1);
    transform-origin: bottom;
    transition:transform .5s;
  }
  
  .facebook:hover {
    color: #3b5998;
  }
  .facebook:hover span { 
    background: #3b5998;
  }
  .twitter:hover {
    color: #1da1f2;
  }
  .twitter:hover span { 
    background: #1da1f2;
  }
  .instagram:hover {
    color: #c32aa3;
  }
  .instagram:hover span { 
    background: #c32aa3;
  }
  .google:hover {
    color: #dd4b39;
  }
  .google:hover span { 
    background: #dd4b39;
  }
  ul li a .twitter {
    color: #1da1f2;
  }
  ul li a:hover:nth-child(3) {
    color: #c32aa3;
  }
  ul li a:hover:nth-child(4) {
    color: #dd4b39;
  }

  .logo {
    text-align: center;
  }

  img {
    max-width: 100%;
  }

  li img {
    opacity: 0.7;
    height: 40px;
    margin-top: 30px;
  }

  .container {
    display: flex;
    align-items: center;
    flex-direction: column;
  }