body {
    display: flex;
    min-height: 100vh;
    margin: 0 auto;
    flex-direction: column;
}

header {
    background-color: lightgray;
    padding-left: 20px;
    margin-bottom: 10px;
}

.name {
    padding-top: 5px;
    padding-bottom: 5px;
    font-family: Arial, sans-serif;
    font-size: 40px;
}

.disclaimer {
    font-size: 14px;
    padding-left: 10px;
    padding-bottom: 5px;
}

/* ripped straight from github */
code {
    background-color: rgba(27, 31, 35, 0.05);
    border-radius: 3px;
    font-size: 85%;
    margin: 0;
    padding: 0.2em 0;
}

label.select {
    position: relative;
    display: inline-block;
}

.select select {
    display: inline-block;
    border: 2px solid darkgray;
    padding: 4px 3px 3px 5px;
    margin: 0;
    font: inherit;
    outline:none;
    line-height: 1.2;
    background: inherit;
    border-radius: 6px 6px 0 0;

    -webkit-appearance: none;
    /* we need -moz-apearance: normal for correct padding */
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
    .select select {
        padding-right:30px;
    }
}

.select select:hover {
    box-shadow: 0 0 3px;
    cursor: pointer;
}
.select select:active {
    box-shadow: 0 0 0;
    cursor: pointer;
}

.select:after {
    content: "▼";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    font-size: 60%;
    line-height: 30px;
    padding: 0 7px;
    background: darkgray;
    color: white;

    pointer-events:none;

    border-radius: 0 6px 0 0;
}

.no-pointer-events .select:after {
    content: none;
}

#arrow {
    font-size: 30px;
    font-weight: bold;
    font-family: "DejaVu Serif";
    position: relative;
    top: 2px;
    display: inline-block;
    margin-left: 10px;
}

/* rotatable */
.rotatable {
    transform: rotate(0deg);
    transition: transform ease-in .2s;
}

.rotatable:hover {
    box-shadow: 0 0 5px;
}

.rotatable:active {
    box-shadow: inset 0 0 5px;
}

.rotated {
    transform: rotate(180deg);
}

/* flipper */
.flip-container {
    perspective: 1000px;
}

.flip-container.flipped .flipper {
    transform: rotateY(180deg);
}

.front, .back {
    -moz-backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.front {
    position: relative;
    transform: rotateY(0deg);
}

.back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotateY(180deg);
}

.flipper {
    transition: 0.6s;
    transform-style: preserve-3d;
}

/* toggle button */
.btn-toggle {
    margin:4px;
    background-color: saddlebrown;
    border:1px solid #D0D0D0;
    overflow:auto;
    float:left;
    box-shadow: 0 0 10px;
}

.btn-toggle span {
    text-align:center;
    padding:3px 0px;
    display:block;
}

.btn-toggle input {
    position: absolute;
    top:-20px;
}

.btn-toggle input:checked + span {
    box-shadow: inset 0 0 10px;
}

.round {
    border-radius: 50%;
}

/* various */
.middle {
    align-items: center;
}

.clickable {
    cursor: pointer;
}

.inputspan {
    width: 100%;
}

#num-results {
    text-align: center;
}

#result div {
    flex-grow: 1;
    max-width: 400px;
}

#result div img {
    width: 100%;
}

/* flex stuff */
.flex {
    display: flex;
    justify-content: space-around;
}
.row {
    flex-flow: row;
}
.column {
    flex-flow: column;
}
.wrap {
    flex-flow: wrap;
}
.flex-start {
    justify-content: flex-start;
}
.flex-end {
    justify-content: flex-end;
}