/* roboto-100normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 100;
  src:
    local('Roboto Thin '),
    local('Roboto-Thin'),
    url('./fonts/roboto-latin-100.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-100.woff') format('woff'); /* Modern Browsers */
}

/* roboto-100italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 100;
  src:
    local('Roboto Thin italic'),
    local('Roboto-Thinitalic'),
    url('./fonts/roboto-latin-100italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-100italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-300normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 300;
  src:
    local('Roboto Light '),
    local('Roboto-Light'),
    url('./fonts/roboto-latin-300.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-300.woff') format('woff'); /* Modern Browsers */
}

/* roboto-300italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 300;
  src:
    local('Roboto Light italic'),
    local('Roboto-Lightitalic'),
    url('./fonts/roboto-latin-300italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-300italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-400normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src:
    local('Roboto Regular '),
    local('Roboto-Regular'),
    url('./fonts/roboto-latin-400.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-400.woff') format('woff'); /* Modern Browsers */
}

/* roboto-400italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src:
    local('Roboto Regular italic'),
    local('Roboto-Regularitalic'),
    url('./fonts/roboto-latin-400italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-400italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-500normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src:
    local('Roboto Medium '),
    local('Roboto-Medium'),
    url('./fonts/roboto-latin-500.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-500.woff') format('woff'); /* Modern Browsers */
}

/* roboto-500italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 500;
  src:
    local('Roboto Medium italic'),
    local('Roboto-Mediumitalic'),
    url('./fonts/roboto-latin-500italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-500italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-700normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src:
    local('Roboto Bold '),
    local('Roboto-Bold'),
    url('./fonts/roboto-latin-700.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-700.woff') format('woff'); /* Modern Browsers */
}

/* roboto-700italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 700;
  src:
    local('Roboto Bold italic'),
    local('Roboto-Bolditalic'),
    url('./fonts/roboto-latin-700italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-700italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-900normal - latin */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-display: swap;
  font-weight: 900;
  src:
    local('Roboto Black '),
    local('Roboto-Black'),
    url('./fonts/roboto-latin-900.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-900.woff') format('woff'); /* Modern Browsers */
}

/* roboto-900italic - latin */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-display: swap;
  font-weight: 900;
  src:
    local('Roboto Black italic'),
    local('Roboto-Blackitalic'),
    url('./fonts/roboto-latin-900italic.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-latin-900italic.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-100normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 100;
  src:
    local('Roboto Slab Thin '),
    local('Roboto Slab-Thin'),
    url('./fonts/roboto-slab-latin-100.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-100.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-200normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 200;
  src:
    local('Roboto Slab Extra Light '),
    local('Roboto Slab-Extra Light'),
    url('./fonts/roboto-slab-latin-200.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-200.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-300normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 300;
  src:
    local('Roboto Slab Light '),
    local('Roboto Slab-Light'),
    url('./fonts/roboto-slab-latin-300.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-300.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-400normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src:
    local('Roboto Slab Regular '),
    local('Roboto Slab-Regular'),
    url('./fonts/roboto-slab-latin-400.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-400.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-500normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src:
    local('Roboto Slab Medium '),
    local('Roboto Slab-Medium'),
    url('./fonts/roboto-slab-latin-500.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-500.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-600normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src:
    local('Roboto Slab SemiBold '),
    local('Roboto Slab-SemiBold'),
    url('./fonts/roboto-slab-latin-600.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-600.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-700normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src:
    local('Roboto Slab Bold '),
    local('Roboto Slab-Bold'),
    url('./fonts/roboto-slab-latin-700.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-700.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-800normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src:
    local('Roboto Slab ExtraBold '),
    local('Roboto Slab-ExtraBold'),
    url('./fonts/roboto-slab-latin-800.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-800.woff') format('woff'); /* Modern Browsers */
}

/* roboto-slab-900normal - latin */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-display: swap;
  font-weight: 900;
  src:
    local('Roboto Slab Black '),
    local('Roboto Slab-Black'),
    url('./fonts/roboto-slab-latin-900.woff2') format('woff2'), /* Super Modern Browsers */
    url('./fonts/roboto-slab-latin-900.woff') format('woff'); /* Modern Browsers */
}

@font-face {
  font-family: "Noto Chinese Simple Serif";
  src: url("./fonts/NotoSerifSC-Regular.otf") format("opentype");
}

html, body {
	position: relative;
	width: 100%;
	height: 100%;
}

body {
	color: #333;
	margin: 0;
	padding: 8px;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
	color: blue;
}

a:visited {
	color: rgb(0 80 160);
}

label {
	display: block;
}

input, button, select, textarea {
	font-family: inherit;
	font-size: inherit;
	padding: 0.4em;
	margin: 0 0 0.5em 0;
	box-sizing: border-box;
	border: 1px solid #ccc;
	border-radius: 2px;
}

input:disabled {
	color: #ccc;
}

input[type="range"] {
	height: 0;
}

button {
	color: #333;
	background-color: #f4f4f4;
	outline: none;
}

button:disabled {
	color: #999;
}

button:not(:disabled):active {
	background-color: #ddd;
}

button:focus {
	border-color: #666;
}

#preload-fonts {
  height: 0;
  overflow: hidden;
}