body{
  margin:0;
  background-color: #000;
}

img {
    display: block;
    margin: 0px;
    width: 100%;
    height: auto;
    overflow: hidden;
  }

  @media only screen and (min-width: 1025px) {
    #arvuti {
      display: block;
    }
    #mobiil {
      display: none;
    }
  }

  @media only screen and (max-width: 1025px) {
    #arvuti {
      display:none;
    }
    #mobiil {
      display: block;
    }