jasondevine
9/16/2018 - 10:33 AM

Sassy Link Underlines

Sassy Link Underlines

_sassy_link_underlines.md
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This is a simplified example of Smarter Link Underlines built for Sass rather than Stylus. Original code example by Adam Schwartz of eager.io.

View a live example on Codepen

main.scss
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@import "underline";

$color-text:        #333332;
$color-background:  #fff;
$color-selection:   #b4d5fe;

.post a {
  @include link-underline($color-background, $color-text, $color-selection);
}
underline.scss
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@mixin text-underline-crop($background) {
  text-shadow:  .03em 0 $background, 
                -.03em 0 $background,
                0 .03em $background,
                0 -.03em $background,
                .06em 0 $background,
                -.06em 0 $background,
                .09em 0 $background,
                -.09em 0 $background,
                .12em 0 $background,
                -.12em 0 $background,
                .15em 0 $background,
                -.15em 0 $background;
}

@mixin text-underline($color-bg, $color-text) {
  background-image: linear-gradient($color-text, $color-text);
  background-size: 1px 1px;
  background-repeat: repeat-x;
  background-position: 0% 95%;
}

@mixin text-selection($selection) {
  &::selection {
    @include text-underline-crop($selection);
    
    background: $selection;
  }

  &::-moz-selection {
    @include text-underline-crop($selection);
    
    background: $selection;
  }
}

@mixin link-underline($background, $text, $selection){
  @include text-underline-crop($background);
  @include text-underline($background, $text);
  @include text-selection($selection);

  color: $text;
  text-decoration: none;

  *,
  *:after,
  &:after,
  *:before,
  &:before {
    text-shadow: none;
  }

  &:visited {
    color: $text;
  }
}