#picDiv {
  display: block;
  margin: 5px auto;
  height: 200px;
  width: 200px;
  padding: 0;
}
#picDiv img {
  border-radius: 10px;
  -webkit-box-shadow: 0 1px 3px #ccc;
  -moz-box-shadow: 0 1px 3px #ccc;
  box-shadow: 0 1px 3px #ccc;
  border: 1px solid #000;
}

.ui-state-word {
  height: 75px;
  line-height: 75px;
  width: 41px;
  float: left;
  border: 1px solid #999;
  border-radius: 4px;
  margin: 0 2px;
  cursor: pointer;
  font-size: 2.4em;
  background: #fff;
  color: var(--main-color);
  text-align: center;
  box-shadow: 1px 1px #aaa;
}

@media only screen and (min-width: 470px) {
  #sortable {
    margin: 20px auto 10px auto;
  }
  #picture {
    margin: 15px auto;
  }

  .ui-state-word {
    width: 50px;
  }
}