/* optional */
li {
  line-height: 2; }

/*:invalid {*/
  /*outline: 1px solid red; }*/

.shell {
  position: relative;
  line-height: 1; }
  .shell span {
      padding: 6px 10px;
    position: absolute;
    left: 3px;
    top: 3px;
    color: #ccc;
    pointer-events: none;
    z-index: -1;
  }
    .shell span i {
      font-style: normal;
      /* any of these 3 will work */
      color: transparent;
      opacity: 0;
      visibility: hidden;
    }

input.masked,
.shell span {
  font-size: 12px;
  font-family: monospace;
  padding-right: 10px;
  background-color: transparent;
  text-transform: uppercase; }

/*# sourceMappingURL=masking-input.css.map */
.masked{
    display: block;
    width: 100%;
    padding: .34rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}