Added styled KBD tag, like in primer theme

[gebeto]

Styles were taken from https://github.com/pages-themes/primer/blob/master/_sass/primer-markdown/lib/markdown-body.scss#L93

P.S. Pull request is similar to pages-themes/slate#47 because I'm adding KBD styles for all pages themes.

[welcome]

Welcome! Congrats on your first pull request to the Time Machine theme. If you haven't already, please be sure to check out the contributing guidelines.

[Platinumwrist]

.markdown-body kbd {
background-color: #fafbfc;
border: 1px solid #c6cbd1;
border-bottom-color: #959da5;
border-radius: 3px;
box-shadow: inset 0 -1px 0 #959da5;
color: #444d56;
display: inline-block;
font-size: 11px;
line-height: 10px;
padding: 3px 5px;
vertical-align: middle;
}

@import "rouge-base16-dark"; @import "rouge-base16-dark";

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[welcome]

Congrats on getting your first pull request to the Time Machine theme merged! Without amazing humans like you submitting pull requests, we couldn’t run this project. You rock! 🎉

If you're interested in tackling another bug or feature, take a look at the open issues, especially those labeled help wanted.