body {
  background-color: #333;
  color: #aaa;
}

br { clear: both; }

form {display: block;}

a,a:link {
  color: #77f;
}

a:visited {
  color: #88c;
}

li {
  margin-bottom: 0.25em;
}

.ledstrip {
    display: block;
    float: left;
    height: 16px;
    border: 1px solid #888;
    background-color: #aaa;
    clear: right;
  margin: 1em 1em;
}

.ledstrip:after {
  float: none;
  display: block;
  clear: both;
}

.ledlight, .WS2812-led {
    display: block;
    width: 10px;
    height: 10px;
    float: left;
    border: 1px solid #ddd;
    background-color: #000;
    margin: 2px;
}

#output {
  clear: left;
  margin-top: 1em;
  
}