:root {
    --color-primary-200: #afffa7;
    --color-primary-700: #005900;
    --color-primary-700-hover: #054705;
    --control-size-100: 2.8rem;
    --control-size-60: calc(var(--control-size-100) * 0.6);
    --control-size-50: calc(var(--control-size-100) * 0.5);
    --control-size-20: calc(var(--control-size-100) * 0.2);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

canvas {
    max-width: 100%;
    max-height: 100%;
}

h3 {
    margin-block: .5em;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

p {
    margin: .5em;
}

select {
    margin-bottom: 1rem;
    display: block;
    width: 100%;
}

label {
    display: block;
}

.sr-only:not(:focus):not(:active) {
    clip: rect(0 0 0 0); 
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap; 
    width: 1px;
}

#information {
    position: absolute;
    left: 0;
    top: 0;
    margin: 1rem;
    background-color: rgba(255,255,255,.9);
    box-shadow: 0 0 0 1px var(--color-primary-700);
    border-radius: var(--control-size-50);
    background-color: var(--color-primary-200)
}

#info-controls {
    margin: 0;
    padding: 0;
    border-radius: var(--control-size-50);
    box-shadow: 0 0 0 1px var(--color-primary-200);
    border: 0;
    color: #fff;
    background: var(--color-primary-700);
    z-index: 1000;
    cursor: pointer;
}
#info-controls:hover {
    background: var(--color-primary-700-hover);
}

#info-heading {
    width: var(--control-size-100);
    height: var(--control-size-100);
    margin: 0;
    padding: 0;
    font-size: var(--control-size-60);
    text-align: center;
    padding: var(--control-size-20);
}

#info-content.show {
    padding: 0 .6rem .6rem;
    height: auto;
    width: auto;
    overflow: hidden;
}

#info-content {
    padding: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    background: #fff;
    border-radius:0 0 var(--control-size-50) var(--control-size-50);
}