.containers {
          bottom: 20px;
          position: fixed;
          margin: 1em;
          left: 20px;
          z-index: 9999;
      }

      .buttons {
          background: #25d366;
          box-shadow: 0px 5px 11px -2px rgba(0, 0, 0, 0.18),
              0px 4px 12px -7px rgba(0, 0, 0, 0.15);
          border-radius: 50%;
          display: block;
          width: 56px;
          height: 56px;
          margin: 20px auto 0;
          position: relative;
          -webkit-transition: all .1s ease-out;
          transition: all .1s ease-out;
      }

      .buttons:active,
      .buttons:focus,
      .buttons:hover {
          box-shadow: 0 0 4px rgba(0, 0, 0, .14),
              0 4px 8px rgba(0, 0, 0, .28);
      }

      .buttons:not(:last-child) {
          width: 40px;
          height: 40px;
          margin: 20px auto 0;
          opacity: 0;
          -webkit-transform: translateY(50px);
          -ms-transform: translateY(50px);
          transform: translateY(50px);
      }

      .containers:hover .buttons:not(:last-child) {
          opacity: 1;
          -webkit-transform: none;
          -ms-transform: none;
          transform: none;
          margin: 15px auto 0;
      }

      /* Unessential styling for sliding up buttons at differnt speeds */

      .buttons:nth-last-child(1) {
          -webkit-transition-delay: 25ms;
          transition-delay: 25ms;
          background-image: url('/assets/whatsapp.png');
          background-size: contain;
      }

      .buttons:not(:last-child):nth-last-child(2) {
          -webkit-transition-delay: 50ms;
          transition-delay: 20ms;
          background-image: url('/assets/whatsapp.png');
          background-size: contain;
      }

      .buttons:not(:last-child):nth-last-child(3) {
          -webkit-transition-delay: 75ms;
          transition-delay: 40ms;
          background-image: url('/assets/whatsapp.png');
          background-size: contain;
      }

      .buttons:not(:last-child):nth-last-child(4) {
          -webkit-transition-delay: 100ms;
          transition-delay: 60ms;
          background-image: url('/assets/whatsapp.png');
          background-size: contain;
      }

      /* Show tooltip content on hover */

      [tooltip]:before {
          bottom: 25%;
          font-family: arial;
          font-weight: 600;
          border-radius: 2px;
          background: #585858;
          color: #fff;
          content: attr(tooltip);
          font-size: 12px;
          visibility: hidden;
          opacity: 0;
          padding: 5px 7px;
          margin-left: 12px;
          position: absolute;
          left: 100%;
          white-space: nowrap;
      }

      [tooltip]:hover:before,
      [tooltip]:hover:after {
          visibility: visible;
          opacity: 1;
      }