html {
    background: #a5a4ce;
    font-family: System, monospace;
    font-size: 10pt;
  }
  
  body {
    padding: 0;
    margin: 0;
  }
  
  span:after {
    content: " ";
    display: inline-block;
    width: 2%;
  }
  
  fieldset {
    float: left;
    padding-right: 18px;
  }
  
  #logo {
    font-family: "Times";
    font-size: 20pt;
  }
  
  .window {
    position: relative;
    cursor: default;
    margin: 2em auto;
    width: 80%;
    background: #3465a4;
    color: white;
    border: 6px double white;
    padding: 1em;
    box-shadow: 0 0 0 3px #3465a4, 1em 1em 3px 0 rgba(0, 0, 0, 0.5);
    max-width: 640px;
  }
  
  .window.white {
    background: silver;
    color: black;
    border-color: white;
    box-shadow: 0 0 0 3px silver, 1em 1em 3px 0 rgba(0, 0, 0, 0.5);
  }
  
  .window.half-width {
    width: 50%;
  }
  
  .window h1 {
    text-align: center;
  }
  
  .window.blue p {
    color: white;
    text-shadow: 0 0 2px white;
  }
  
  button {
    margin: 0;
    padding: 0;
    border: none;
    cursor: pointer;
  }
  
  button,
  .button,
  .button:link {
    display: inline-block;
    font-weight: bolder;
    color: white;
    font-family: inherit;
    font-size: inherit;
    background: green;
    padding: 0 1em;
    box-shadow: 0.5em 0.5em 3px rgba(0, 0, 0, 0.5);
    position: relative;
    transition: 0.2s all ease-in;
    border: 1px outset green;
  }
  
  button.full-width,
  .button.full-width {
    display: block;
    text-align: center;
  }
  
  button:before,
  .button:before {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    content: "";
    position: absolute;
    /*background: rgba(255,255,0,.5); /* DEBUG CLICK AREA */
  }
  
  button:hover,
  .button:active,
  .button:focus,
  .button:hover {
    transform: translate3d(0.25em, 0.25em, 10em);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.5);
    background: limegreen;
  }
  
  button:hover:before,
  .button:hover:before,
  button:focus:before,
  .button:focus:before {
    top: -1em;
    left: -1em;
  }
  
  .button.pressed {
    box-shadow: none;
    left: 0.25em;
    top: 0.25em;
    margin-right: 0.25em;
    background: gray;
    border: 1px outset #707070;
  }
  
  button:disabled {
    transform: translate3d(0.25em, 0.25em, 10em);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.5);
    background: gray;
    border: 1px outset #707070;
  }
  
  button:first-letter,
  .button:first-letter {
    color: yellow;
  }
  
  button#btn-transfer {
    margin-top: 20px;
  }
  
  input,
  textarea {
    background: blue;
    color: aqua;
    width: 100%;
    max-width: 100%;
    font-size: 12pt;
  }
  input:disabled {
    background: #505070;
    color: #d0d0d0;
    border: 2px solid #505070;
  }
  
  .window > textarea {
    width: 100%;
    border: none;
  }
  
  ul {
    margin: 0;
    padding: 0;
  }
  
  li {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  .trade-buttons {
    text-align: center;
    margin-top: 20px;
  }
  
  div .transfer {
    display: table;
    margin: auto;
  }