body {
    background-color: white;
    color: black;
    font-family: monospace;
}
section {
    border-top: 1px solid black;
    clear: both;
    padding: 1em;
}
h2 {
    margin-top: 0;
}
table {
    border-collapse: collapse;
}
td {
    border: 1px solid black;
    padding: 0.2em 0.5em;
}
ul {
    list-style-type: none;
}
button {
    border-width: 1px;
}

.instruction {
    background-color: #eee;
    padding: 0.5em;
}
.button {
    padding: 0.2em;
}
.red {
    background-color: red;
    color: white;
}
.yellow {
    background-color: yellow;
    color: black;
}
.blue {
    background-color: blue;
    color: white;
}
.green {
    background-color: green;
    color: white;
}
.white {
    background-color: white;
    border-color: black;
    color: black;
}
.black {
    background-color: black;
    color: white;
}
.litIndicator {
    color: white;
    border: 1px outset red;
    text-shadow: 0px 0px 3px yellow,0px 0px 3px yellow;
    background: black;
    padding: 0 3px 3px;
}
.litIndicator:before {
    content: '\2022\a0';
}
.button.white {
    border: 1px solid black;
}

section .active { /* ugh, specificity */
    opacity: 1;
}
.inactive {
    opacity: 0.3;
}

h2 {
    cursor: pointer;
}
.collapsed {
    padding: 0;
}
.collapsed * {
    display: none;
}
.collapsed h2 {
    display: block;
    font-size: small;
    margin: 0;
}

nav {
    background-color: white;
    border-left: 1px solid black;
    border-top: 1px solid black;
    position: fixed;
    bottom: 0;
    right: 0;
}
#navList {
    line-height: 150%;
    list-style-type: none;
    margin: 0;
    padding: 0.1em 0.5em;
}

#sectionWof {
    white-space: nowrap;
}
#sectionWof dl, #sectionWof table {
    display: inline-block;
    margin-bottom: 1em;
}
#sectionWof.collapsed dl, #sectionWof.collapsed table {
    display: none;
}
#sectionWof dl {
    margin-right: 4em;
}
#sectionWof dt {
    background-color: black;
    clear: left;
    color: white;
    margin-right: 1em;
    text-align: center;
    width: 6em;
}
#sectionWof dd {
    margin-bottom: 0.4em;
    margin-left: 0;
}
#sectionWof dt, #sectionWof dd {
    display: inline-block;
    float: left;
}
#sectionWof dt.inactive + dd {
    opacity: 0;
}
#sectionWof table {
    margin-left: 0.5em;
}
#sectionWof th {
    border: 1px solid black;
}

#sectionMemory table {
    margin-top: 1em;
}
#sectionMemory td {
    text-align: right;
}
#sectionMemory input {
    text-align: center;
    width: 5em;
}

#sectionMorse table {
    float: left;
    margin-bottom: 1em;
    margin-right: 1em;
}

#sectionSequence button {
    cursor: pointer;
    width: 2em;
}
#sequenceOptions {
    padding-left: 0;
    width: 9.5em;
}
#sequenceOptions li {
    display: inline-block;
}
#sequenceInstruction {
    list-style-type: decimal;
}
#sequenceInstruction button {
    margin-right: 0.2em;
}

#sectionVenn2 td {
    height: 1.5em;
    width: 1em;
}