html {
  font-size: $base-font-size;
}

/**
* Reset some basic elements
*/
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
hr,
dl,
dd,
ol,
ul,
figure {
  margin: 0;
  padding: 0;
}

body {
  font: $base-font-weight #{$base-font-size}/#{$base-line-height}
    $base-font-family;
  color: $text-color;
  background-color: $background-color;
  -webkit-text-size-adjust: 100%;
  -webkit-font-feature-settings: "kern" 1;
  -moz-font-feature-settings: "kern" 1;
  -o-font-feature-settings: "kern" 1;
  font-feature-settings: "kern" 1;
  font-kerning: normal;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  overflow-wrap: break-word;

  &::-webkit-scrollbar {
    width: 7px;
    height: 4px;
  }

  &::-webkit-scrollbar-track {
    background-color: $background-color;
  }

  &::-webkit-scrollbar-thumb {
    background: $text-color;
    border-radius: 4px;
  }
}

/**
* Set `margin-bottom` to maintain vertical rhythm
*/
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
ul,
ol,
dl,
figure,
%vertical-rhythm {
  margin-bottom: $spacing-unit / 2;
}

hr {
  margin-top: $spacing-unit;
  margin-bottom: $spacing-unit;
  background: $text-color;
}

/**
* `main` element
*/
main {
  display: block;
  /* Default value of `display` of `main` element is 'inline' in IE 11. */
  animation-name: text_trans;
  animation-duration: 1s;
  -webkit-animation-timing-function: ease-in;
  animation-timing-function: ease-in;
  @keyframes text_trans {
    0% {
      opacity: 0%;
    }
    20% {
      opacity: 20%;
    }
    50% {
      opacity: 50%;
    }
    70% {
      opacity: 70%;
    }
    90% {
      opacity: 90%;
    }
    100% {
      opacity: 100%;
    }
  }
}

/**
* Images
*/
img {
  max-width: 100%;
  vertical-align: middle;
}

/**
* Figures
*/
figure > img {
  display: block;
}

figcaption {
  font-size: $small-font-size;
}

/**
* Lists
*/
ul,
ol {
  margin-left: $spacing-unit;
}

li {
  > ul,
  > ol {
    margin-bottom: 0;
  }
}

/**
* Headings
*/
h2,
h3,
h4,
h5,
h6 {
  font-weight: 650;
  font-family: $base-font-family;
}

h1 {
  font-weight: 700;
  font-family: $base-font-family;
  font-size: 35px;
}

/**
* Links
*/
a {
  color: $link-base-color;
  text-decoration: none;
  transition: $transition-links;

  &:visited {
    color: $link-visited-color;
  }

  &:hover {
    color: $link-hover-color;
    text-decoration: none;
  }
}

/**
* Blockquotes
*/
blockquote {
  color: $blockquote-text-color;
  border-left: 4px solid $border-color-01;
  padding-left: $spacing-unit / 2;
  @include relative-font-size(1.125);
  font-style: italic;

  > :last-child {
    margin-bottom: 0;
  }

  i,
  em {
    font-style: normal;
  }
}

/**
* Code formatting
*/
pre,
code {
  font-family: $code-font-family;
  font-size: 0.9375em;
  border: 1px solid $border-color-01;
  border-radius: 4px;
  background-color: $code-background-color;

  &::-webkit-scrollbar {
    width: 7px;
    height: 9px;
  }

  &::-webkit-scrollbar-track {
    background-color: $code-background-color;
  }

  &::-webkit-scrollbar-thumb {
    background: $text-color;
    border-radius: 4px;
  }
}

code {
  padding: 1px 5px;
}

pre {
  padding: 8px 12px;
  overflow-x: auto;

  > code {
    border: 0;
    padding-right: 0;
    padding-left: 0;
  }
}

.highlight {
  border-radius: 3px;
  background: $code-background-color;
  @extend %vertical-rhythm;

  .highlighter-rouge & {
    background: $code-background-color;
  }
}

/**
* Wrapper
*/
.wrapper {
  max-width: calc(#{$content-width} - (#{$spacing-unit}));
  margin-right: auto;
  margin-left: auto;
  padding-right: $spacing-unit / 2;
  padding-left: $spacing-unit / 2;
  @extend %clearfix;

  @media screen and (min-width: $on-large) {
    max-width: calc(#{$content-width} - (#{$spacing-unit} * 2));
    padding-right: $spacing-unit;
    padding-left: $spacing-unit;
  }
}

.wrapper_header {
  padding-left: 20px;
  padding-right: auto;
  @extend %clearfix;
  @media screen and (min-width: $on-medium) {
    padding-right: 70px;
    padding-left: 70px;
  }
}

.wrapper_footer {
  max-width: calc(#{$content-width} - (#{$spacing-unit}));
  margin-right: auto;
  margin-left: auto;
  padding-right: $spacing-unit / 2;
  padding-left: $spacing-unit / 2;
  @extend %clearfix;

  @media screen and (min-width: $on-large) {
    max-width: calc(#{$content-width} - (#{$spacing-unit} * 2));
    padding-right: $spacing-unit;
    padding-left: $spacing-unit;
  }
}

/**
* Clearfix
*/
%clearfix:after {
  content: "";
  display: table;
  clear: both;
}

/**
* Icons
*/

.stackoverflow {
  color: #f66a0a;
}

.youtube {
  color: #dd0505;
}

.github {
  color: #f9f9f9;
}

.svg-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  fill: currentColor;
  padding: 5px 3px 2px 5px;
  vertical-align: text-bottom;
}

/**
* Tables
*/
table {
  margin-bottom: $spacing-unit;
  width: 100%;
  text-align: $table-text-align;
  color: $table-text-color;
  border-collapse: collapse;
  border: 1px solid $table-border-color;

  &::-webkit-scrollbar {
    width: 7px;
    height: 9px;
  }
  
  &::-webkit-scrollbar-track {
    background-color: $code-background-color;
  }
  
  &::-webkit-scrollbar-thumb {
    background: $text-color;
    border-radius: 4px;
  }
  tr {
    &:nth-child(even) {
      background-color: $table-zebra-color;
    }
  }
  th,
  td {
    padding: ($spacing-unit / 3) ($spacing-unit / 2);
  }
  th {
    background-color: $table-header-bg-color;
    border: 1px solid $table-header-border;
  }
  td {
    border: 1px solid $table-border-color;
  }

  @include media-query($on-laptop) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
  }
}
dl {
  padding: 0;

  dt {
    padding: 0;
    margin-top: 1rem;
    font-size: $base-font-size;
    font-weight: 690;
  }

  dd {
    margin-inline-start: 40px;
  }
}