code focus by renpe

/* ==UserStyle==
@name         code focus
@version      20221205.17.05
@namespace    userstyles.world/user/renpe
@description  focus code and highlighted content
@author       renpe
@license      CC-BY-SA-4.0
==/UserStyle== */

@-moz-document domain("adventofcode.com") {
/* ==UserStyle==
@name         code focus
@namespace    adventofcode.com
@description  focus code and highlighted content
@version      1.0.0
@author       https://github.com/renpe
@license      CC-BY-SA-4.0
==/UserStyle== */

article {
    line-height: 21px;
    margin-left: 0.05em;
}
article code {
    box-shadow: 0 0 20px -2px #366;
    padding: 0px 5px;
    margin: 2px 0px;
}
article pre code {
    box-shadow: 0 0 20px 3px #366;
}
article code em {
    text-shadow: 1px 1px 2px #ff0000, 0 0 0.1em #ff0000, 0 0 0.6em red;
}
pre {
    padding: 0px 0px;
}
em {
    margin: 0!important;
    padding: 0!important;
}

code:before {
    border: 0;
}
}