Accents

// @mixin shadow($z: 1) {
//   box-shadow: 0 (2px * $z) (2px * $z) rgba(0, 0, 0, 0.2);
// }

@mixin small-strip($strip-color: $anchor-blue) {
  content: '';
  height: $small-strip-height;
  border-top-right-radius: $minor-border-radius;
  border-top-left-radius: $minor-border-radius;
  background-color: $strip-color;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
}

@mixin divider_line($divider-line-size: 3em) {
  max-width: $divider-line-size;
  border-bottom: 2px solid white;
  margin: auto;
  margin-top: $type-margin;
  margin-bottom: $type-margin;
}

@mixin column-flag {
  color: white;
  text-align: center;
  background-color: $anchor-blue;
  margin-bottom: 0;
  width: 75%;
  margin: auto;
}

@mixin table-flag($background-color) {
  @include display(flex);
  @include justify-content(center);
  @include align-items(center);
  height: $table-flag-height;
  width: calc(100% - (#{$table-flag-offset} * 2));
  position: absolute;
  bottom: 100%;
  left: $table-flag-offset;
  color: white;
  background-color: $background-color;
}

$return-to-top-z-index: 9001 !default;

@mixin return-to-top { // TODO does this belong somewhere other than accents?
  position: fixed;
  bottom: 1.25em;
  right: 1.25em;
  background: $grey-darkest;
  opacity: 0.6;
  width: 3.125em;
  height: 3.125em;
  display: block;
  text-decoration: none;
  -webkit-border-radius: 35px;
  -moz-border-radius: 35px;
  border-radius: 35px;
  display: none;
  -webkit-transition: all 0.3s linear;
  -moz-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  z-index: $return-to-top-z-index;

  i {
    color: white;
    margin: 0;
    position: relative;
    left: 30%;
    top: 10%;
    font-size: $back-to-top-icon-size;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }

  &:hover {
    background: black;
    opacity: 0.8;
    cursor: pointer;

    i {
      color: white;
      top: 0;
    }
  }

  @media only screen and (max-width: $small-screen-max) {
    bottom: 3em;
  }
}