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

.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;
}
.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;
}

.jsResetSection {
    margin-top: 1em;
}

#sectionWires button {
    border-color: black;
    cursor: pointer;
    width: 2em;
    height: 2em;
}
#wireOptions li {
    display: inline-block;
}
#wireList {
    list-style-type: decimal;
}
.wireToCut:after {
    color: green;
}
.wireToCut:after, .wireToCut.odd.even:after {
    content: '\27fd';
}
.wireToCut.odd:after {
    content: '\27fd\a0 odd';
}
.wireToCut.even:after {
    content: '\27fd\a0 even';
}

#sectionButton {
    line-height: 150%;
}
#sectionButton div {
    margin-bottom: 1em;
}
#sectionButton .buttonWhite {
    border-style: solid;
    border-width: 1px;
}

#simonInputs {
    float: left;
    margin-right: 5em;
}
.collapsed #simonBoard {
    display: none;
}
#simonBoard {
    display: inline-block;
    padding-bottom: 40px; /* Compensate for height increase as a result of rotation */
    position: relative;
    transform: rotate(45deg);
}
#simonBoard > div > div {
    border: 2px solid black;
    display: inline-block;
    height: 64px;
    width: 64px;
}
#simonBoard > .simonRow:first-child > div {
    border-top-width: 4px;
}
#simonBoard > .simonRow:first-child + div > div {
    border-bottom-width: 4px;
}
#simonBoard > .simonRow > div:first-child {
    border-left-width: 4px;
}
#simonBoard > .simonRow > div:last-child {
    border-right-width: 4px;
}

.arrow {
    background-color: magenta;
    height: 10px;
    width: 50px;
    opacity: 0;
    position: absolute;
}
.arrow::after {
    content: '';
    border-top: 10px solid transparent;
    border-left: 20px solid magenta;
    border-bottom: 10px solid transparent;
    height: 0;
    width: 0;
    margin-left: 50px;
    position: absolute;
    top: -5px;
}
#arrowRB {
    top: 70px;
    left: 10px;
    transform: rotate(-90deg);
}
#arrowBR {
    top: 60px;
    left: 10px;
    transform: rotate(90deg);
}
#arrowBY {
    top: 30px;
    left: 45px;
}
#arrowYB {
    top: 30px;
    left: 45px;
    transform: rotate(180deg);
}
#arrowYG {
    top: 60px;
    left: 80px;
    transform: rotate(90deg);
}
#arrowGY {
    top: 70px;
    left: 80px;
    transform: rotate(-90deg);
}
#arrowGR {
    top: 100px;
    left: 45px;
    transform: rotate(180deg);
}
#arrowRG {
    top: 100px;
    left: 45px;
}
#arrowRY {
    top: 66px;
    left: 44px;
    transform: rotate(-45deg);
}
#arrowYR {
    top: 66px;
    left: 44px;
    transform: rotate(135deg);
}
#arrowBG {
    top: 64px;
    left: 44px;
    transform: rotate(45deg);
}
#arrowGB {
    top: 64px;
    left: 44px;
    transform: rotate(-135deg);
}

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

#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: 7.9em;
}
#sequenceOptions li {
    display: inline-block;
}
#sequenceInstruction {
    list-style-type: decimal;
}
#sequenceInstruction button {
    margin-right: 0.2em;
}