blog/assets/scss/_icons.scss

$icon-arrow:        '\e902';
$icon-arrow-left:   '\e904';
$icon-barracuda:    '\e906';
$icon-email:        '\e903';
$icon-feather:      '\e905';
$icon-github:       '\e900';
$icon-mastodon:     '\e901';

@font-face {
    font-family: 'andrew';
    src: url('../icons/andrew.eot?#{$version}');
    src: url('../icons/andrew.eot?#{$version}#iefix') format('embedded-opentype'),
         url('../icons/andrew.woff2?#{$version}') format('woff2'),
         url('../icons/andrew.ttf?#{$version}') format('truetype'),
         url('../icons/andrew.woff?#{$version}') format('woff'),
         url('../icons/andrew.svg?#{$version}#andrew') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

[class^="icon-"], [class*=" icon-"] {
    font-family: 'andrew' !important; // !i to prevent issues with browser extensions that change fonts
    speak: never;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;

    // better rendering
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-arrow:before {
    content: $icon-arrow;
}
.icon-arrow-left:before {
    content: $icon-arrow-left;
}
.icon-barracuda:before {
    content: $icon-barracuda;
}
.icon-email:before {
    content: $icon-email;
}
.icon-feather:before {
    content: $icon-feather;
}
.icon-github:before {
    content: $icon-github;
}
.icon-mastodon:before {
    content: $icon-mastodon;
}