Fixed page header overlaps in-page anchors

Solution 1:

If you can’t or don’t want to set a new class, add a fixed-height ::before pseudo-element to the :target pseudo-class in CSS:

:target::before {
  content: "";
  display: block;
  height: 60px; /* fixed header height*/
  margin: -60px 0 0; /* negative fixed header height */
}

Or scroll the page relative to :target with jQuery:

var offset = $(':target').offset();
var scrollto = offset.top - 60; // minus fixed header height
$('html, body').animate({scrollTop:scrollto}, 0);

Solution 2:

I had the same problem. I solved it by adding a class to the anchor element with the topbar height as the padding-top value.

<h1><a class="anchor" name="barlink">Bar</a></h1>

I used this CSS:

.anchor { padding-top: 90px; }

Solution 3:

html {
  scroll-padding-top: 70px; /* height of sticky header */
}

from: https://css-tricks.com/fixed-headers-on-page-links-and-overlapping-content-oh-my/

Solution 4:

I use this approach:

/* add class="jumptarget" to all targets. */

.jumptarget::before {
  content:"";
  display:block;
  height:50px; /* fixed header height*/
  margin:-50px 0 0; /* negative fixed header height */
}

It adds an invisible element before each target. It works IE8+.

Here are more solutions: http://nicolasgallagher.com/jump-links-and-viewport-positioning/

Solution 5:

From 4/2021 there is single non-hacky and fully cross-browser solution:

h1 {
  scroll-margin-top: 50px
}

It is part of CSS Scroll Snap spec. Runs on all modern browsers.