body {
    margin: 0;
    padding: 0.25em 0.5em;
    font: 14px Helvetica Neue, Helvetica, sans-serif;
    color: #333;
    }
h2, h3 {
    margin: 1em 0;
    font-family: inherit;
    }
h2 {
    font-size: 18px;
    }
h3 {
    font-size: 16px;
    }
a {
    text-decoration: none;
    }
button {
    padding: 7px;
    font: inherit;
    margin: 0;
    background: dimgray;
    color: #eee;
    border-radius: 5px;
    border: 1px solid dimgray;
    cursor: pointer;
    -webkit-transition: 0.2s background, 0.2s border, 0.2s box-shadow;
    transition: 0.2s background, 0.2s border, 0.2s box-shadow;
    }
button:hover {
    border-color: dodgerblue;
    background: dodgerblue;
    box-shadow: 0 0 15px rgba(0,0,0,0.4);
    border-radius: 0;
    color: white;
    }
label {
    cursor: pointer;
    }
div > p:first-child {
    margin-top: 0;
    }
div > p:last-child {
    margin-bottom: 0;
    }

.para {
    width: 40em;
    }
button.whatisthis {
    margin: 0 0 0 8px;
    border: 0;
    padding: 0 0 4px 0;
    width: 16px;
    height: 16px;
    background: url('../img/help16.png') no-repeat;
    cursor: pointer;
    opacity: 0.5;
    vertical-align: middle;
    -webkit-transition: 0.2s background, 0.2s border-color, 0.2s box-shadow, 0.2s opacity;
    transition: 0.2s background, 0.2s border-color, 0.2s box-shadow, 0.2s opacity;
    }
button.whatisthis:hover {
    opacity: 1.0;
    }
.whatisthis-expandable {
    margin: 0.5em 0 1em 1.25em;
    padding: 0.5em;
    display: none;
    border: 1px dotted black;
    background-color: #F8F8F8;
    font-size: 13px;
    }
.whatisthis-expandable > p {
    margin-top: 1em;
    margin-bottom: 0;
    }
.whatisthis-expandable > p:first-child {
    margin-top: 0;
    }
.whatisthis-expandable.whatisthis-expanded {
    display: block;
    }
.warn {
    margin: 0;
    padding: 5px;
    background-color: #FEDAE0;
    }