WeChat ID
aaronpk_tv
"The other “gotcha!” with having a sticky header is making sure that in-page anchors still work. Nicolas Gallagher covers the options for this in a post called Jump links and viewport positioning. Here’s the CSS I ended up using:
:target:before {
content: '';
display: block;
height: 3em;
margin: -3em 0 0;
}"
"Build awesome user interfaces with CSS flexbox. Examples and source code included."