body {
  width: 100vw;
  height: 100vh;
  height: -webkit-fill-available;
  position: relative;
}

#img-div {
  width: 100%;
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#img {
  width:80%;
  margin: auto;
  display: block;
}

#link-div{
  text-align: center;
}

#link{
  text-align:center;
  transition: 0.3s;
  margin-right: 20px;
}

@media screen and (max-width: 480px) {
  #link{
    margin-right: 10px;
  }
  #footer a{
    font-size: 12px;
  }
}

#link-div a:last-child{
  margin-right: 0px;
}


a:hover{
  opacity: 70%;
  transition: 0.3s;
  text-decoration: underline;
}


#footer{
  margin-top: 50px;
  position: absolute;
  bottom: 5px;
  width: 100%;
  text-align: center;
}