input {
    font-family: monospace;
    font-size: 2em;
    border: 2px solid #000;
    padding: 5px;
    border-radius: 3px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    background-color: white;
    transition: background-color 300ms linear;
}

.container {
  width: 30em;
  padding-top: 40vh;
  margin: auto
}

.container input {
  width: 100%;
  text-align: center;
}

.icon {
  height: 50px;
  width: 50px;
  cursor: pointer;
  padding-top: 2em;
}

.icon-rotate {
  float: left;
}

.icon-clipboard {
  float: right;
}