eft top, right top;
    background-size: contain, contain;
    border-bottom: 1px solid red;
    font-size: 50px;
  }

  /* Transition effect */
  /* Feel free to change the transition effect for original
     animations. See here:
     https://developer.mozilla.org/en/CSS/CSS_transitions
     How to use CSS3 Transitions: */
  section {
    -moz-transition: left 400ms linear 0s;
    -webkit-transition: left 400ms linear 0s;
    -ms-transition: left 400ms linear 0s;
    transition: left 400ms linear 0s;
  }
