html,
body {
    margin: 0;
    padding: 0;
    font-family: 'Bitter', serif;
}

canvas {
    display: block;
}

body {
    display: flex;
}

input, button {
    position: absolute;
    left: 70px;
}

.footer {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    font-size: 1rem;
}

.footer .year {
    font-weight: bold;
}

.footer .year::after {
    content: " - ";
}

.footer .link {
    color: #3d3d3d;
}


.range {
    -webkit-appearance: none;
    vertical-align: middle;
    outline: none;
    border: none;
    padding: 0;
    background: none;
}

.range::-webkit-slider-runnable-track {
    background-color: #d7dbdd;
    height: 6px;
    border-radius: 3px;
    border: 1px solid transparent;
}

.range[disabled]::-webkit-slider-runnable-track {
    border: 1px solid #d7dbdd;
    background-color: transparent;
    opacity: 0.4;
}

.range::-moz-range-track {
    background-color: #d7dbdd;
    height: 6px;
    border-radius: 3px;
    border: none;
}

.range::-ms-track {
    color: transparent;
    border: none;
    background: none;
    height: 6px;
}

.range::-ms-fill-lower {
    background-color: #d7dbdd;
    border-radius: 3px;
}

.range::-ms-fill-upper {
    background-color: #d7dbdd;
    border-radius: 3px;
}

.range::-ms-tooltip {
    display: none; /* display and visibility only */
}

.range::-moz-range-thumb {
    border-radius: 20px;
    height: 18px;
    width: 18px;
    border: none;
    background: none;
    background-color: #606670;
}

.range:active::-moz-range-thumb {
    outline: none;
}

.range::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    border-radius: 100%;
    background-color: #606670;
    height: 18px;
    width: 18px;
    margin-top: -7px;
}

.range[disabled]::-webkit-slider-thumb {
    background-color: transparent;
    border: 1px solid #d7dbdd;
}

.range:active::-webkit-slider-thumb {
    outline: none;
}

.range::-ms-thumb {
    border-radius: 100%;
    background-color: #606670;
    height: 18px;
    width: 18px;
    border: none;
}

.range:active::-ms-thumb {
    border: none;
}

output {
    border: 1px solid #d7dbdd;
    color: #333;
    font-family: 'Lato', sans-serif;
    font-size: 12px;
    padding: .4em .6em;
    border-radius: 3px;
}

.container--dark {
    background-color: #11181d;
}

h6 {
    color: #ccc;
}

input[type=range] {
    -webkit-appearance: none;
    background: transparent;
}

input[type=range]::-webkit-slider-runnable-track {
    background-color: #404040;
}

input[type=range]::-moz-range-track {
    background-color: #404040;
    border: none;
}

input[type=range]::-ms-fill-lower {
    background-color: #404040;
}

input[type=range]::-ms-fill-upper {
    background-color: #606670;
}

input[type=range]::-webkit-slider-thumb {
    background-color: #8a8a8a;
    border: none;
}

input[type=range]::-moz-range-thumb {
    background-color: #8a8a8a;
    border: none;
}

input[type=range]::-ms-thumb {
    background-color: #8a8a8a;
    border: none;
}

button {
    border: none;
    background-color: #606670;
    color: #fff;
    border-radius: 0.5rem;
    padding: 4px 6px 4px 6px;
}

button:hover {
    cursor: pointer;
}