:root {
  --color_white: #ffffff;
}

body[theme=dark] {
  --color_grey: #777;
  --color_green: #00b1c8;
  --color_red: #eb0567;
  --color_blue: #195ecd;
  --color_violet: #5c1372;
  --color_yellow: #ffbe00;
  --color_header: deeppink;
  --color_comment: var(--color_grey);
  --color_bg: #000;
  --color_fg: var(--color_white);
  --color_bg_invert: #fff;
  --color_fg_invert: #FAFAFA;
}

body[theme=github] {
  --color_grey: #969896;
  --color_green: #589353;
  --color_red: #A71D5D;
  --color_blue: #183691;
  --color_violet: #795DA3;
  --color_yellow: #ffbe00;
  --color_header: #A71D5D;
  --color_comment: var(--color_grey);
  --color_bg: var(--color_white);
  --color_fg: #1A1A1A;
  --color_bg_invert: #000;
  --color_fg_invert: #FAFAFA;
}

body[theme=solarized] {
  --color_grey: #747a81;
  --color_green: #4d5f29;
  --color_red: #b73f29;
  --color_blue: #2c68a7;
  --color_violet: #795DA3;
  --color_yellow: #d48925;
  --color_header: var(--color_red);
  --color_comment: var(--color_grey);
  --color_bg: #e0dcc7;
  --color_fg: #1a2724;
  --color_bg_invert: #000;
  --color_fg_invert: #e0dcc7;
}

.slide {
  background: var(--color_bg);
  color: var(--color_fg);
  font-family: 'Fira Code', sans-serif;
  /* filter: invert(); */
}

.slide pre code:not(:only-child).mark {
  background-color: var(--color_violet);
}

.slide img:not(.cover):not([height]):not([width]) {
  max-height: 500px;
  max-width: 100%;
  height: auto;
}

.slide h2 {
  font-family: 'Fira Code', sans-serif;
  font-weight: 400;
  color: var(--color_header);
}

.slide h3 {
  font-family: 'Fira Code', sans-serif;
  font-weight: 600;
  color: var(--color_header);
}

.slide code, .slide kbd, .slide samp {
  font-family: 'Fira Code', sans-serif;
}

.slide mark {
  background: var(--color_violet);
  color: var(--color_white);
}

video:not(.no-auto) {
  object-fit: fill;
  max-width: 100%;
  max-height: 100%;
}

.black-bg {
  background: var(--color_bg_invert);
  padding: 0.1em 0.3em;
}

.black {
  color: var(--color_fg);
}

.white {
  color: var(--color_white);
}

.yellow {
  color: var(--color_yellow);
}

.blue {
  color: var(--color_blue);
}

.green {
  color: var(--color_green);
}

.red {
  color: var(--color_red);
}

.grey {
  color: var(--color_grey);
}

ul.blank {
  list-style-type: none;
}

.commented {
  color: var(--color_comment)!important;
}

.commented:before {
  content: '// '!important;
}

.flex-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 100%;
}

.flex-column {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.align-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.mr-50 {
  margin-right: 50px;
}

.ml-50 {
  margin-left: 50px;
}

.mb-50 {
  margin-bottom: 50px;
}

.w-45 {
  width: 45%;
}

.w-33 {
  width: 33%;
}

.double_line {
  line-height: 2!important;
}

.size_24 {
  font-size: 24px;
}

.size_28 {
  font-size: 28px;
}

.size_32 {
  font-size: 32px;
}

.size_36 {
  font-size: 36px;
}

.size_40 {
  font-size: 40px;
}

.size_60 {
  font-size: 60px!important;
}

.size_80 {
  font-size: 80px!important;
}

.hljs {
  padding: 0 0 0 var(--slide-side);
}

.progress:before {
  background-color: var(--color_violet);
}

.slide ol, .slide ul {
  margin-bottom: 0;
}

.slide.no-number::after {
  opacity: 0;
}

@keyframes rabbits {
  from { background-position-y: 0; }
  to { background-position-y: -70px; }
}

.slide-cover {
  background: var(--color_bg);
  background-image: url(./pictures/background.jpg);
  background-size: contain;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.messenger {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: #fff;
  padding: 6px;
}

.message {
  padding: 16px 32px;
  border-radius: 8px;
  background: #daebed;
}

.message.my {
  align-self: flex-end;
  background: #bad0e6;
}

.message + .message {
  margin-top: 6px;
}

.messenger-header {
  background: #daebed;
  width: 100%;
  margin-bottom: 10px;
  font-weight: bold;
  padding: 16px 32px;
  box-sizing: border-box;
}