style.css

.button {
    border-radius: 10px;
    border: 1px black solid;
    padding: 10px;
    cursor: pointer;
    box-shadow: 2px 2px 2px #888888;
    display: inline-block;
}

.button:active {
    box-shadow: 0px 0px 0px #888888;
    top: 2px;
    left: 2px;
    position: relative;
    -moz-user-select: none;
}

code {
    background-color: lightgrey;
    padding: 5px;
    border-radius: 5px;
    line-height: 2em;
}

.step {
    /*border: 1px solid black;*/
    /*position: relative;*/
    display: none;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 80%;
    background-color: rgba(255, 255, 255, .8);
}

.hint {
    /*border: 1px dashed red;*/
    display: none;
}

.initial {
    display: block;
}

body {
    font-size: x-large;
}

#floater {
  float:left;
  height:50%;
  margin-bottom:-120px;
}

.step {
  clear:both;
  height:240px;
  position:relative;
}

#contribute {
  font-size: smaller;
  line-height: 1em;
  text-align: right;
}