Using scrollIntoView with a fixed position header

// For demo only, no JS needed for the solution
document.querySelector('.scroll-to-working-inline').addEventListener('click', function() {
  document.querySelector('.working-inline').scrollIntoView();
});

document.querySelector('.scroll-to-working-block').addEventListener('click', function() {
  document.querySelector('.working-block').scrollIntoView();
});

document.querySelector('.scroll-to-broken').addEventListener('click', function() {
  document.querySelector('.broken').scrollIntoView();
});

/* Relevant styles */
.working-inline {
  padding-top: 60px;
  margin-top: -60px;
}

.working-block {
  padding-top: 60px;
  margin-top: -60px;
}

/* Allow scrolling to the top */
body {
  padding-top: 60px;
}

/* Only for the demo */
body { margin: 0; }

header {
  position: fixed;
  top: 0;
  background-color: tomato;
  color: white;
  width: 100%;
  height: 60px;
  line-height: 60px;
  text-align: center;
}

[class^='working'],
[class^='broken'] {
  font-size: 3rem;
}

<header>
  scroll to...
  <button class="scroll-to-working-inline">working inline element</button>
  <button class="scroll-to-working-block">working block element</button>
  <button class="scroll-to-broken">broken element</button>
</header>

<main>
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  <a class="working-inline">Working inline</a>
  
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  <div class="working-block">Working block element</div>
  
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  <div class="broken">Broken element</div>
  
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  <p>Char hello world then man pages ascii long salt while char fatal do boolean tunnel in system else foo packet sniffer float terminal int default. Trojan horse ssh ifdef /dev/null chown cache error protocol afk todo rm -rf mainframe piggyback pwned regex xss warez Starcraft try catch stdio.h bubble sort. It's a feature I'm sorry Dave, I'm afraid I can't do that *.* port bypass ip.</p>
  
  <p>Stdio.h epoch mutex flood wannabee do race condition sql access exception. Bar pragma man pages dereference flush todo highjack while buffer bit nak big-endian syn xss salt for d00dz. Leslie Lamport linux server error hexadecimal snarf tunnel in rm -rf firewall then shell all your base are belong to us.</p>

  <p>Ascii gcc grep int flood kilo linux access mailbomb hash *.* fork semaphore frack else win bar ssh Leslie Lamport. Man pages strlen cache gnu segfault tarball race condition perl packet sniffer root cookie private chown d00dz January 1, 1970. Rsa public crack bit warez throw for void concurrently ip mutex.</p>
  
  <p>Char hello world then man pages ascii long salt while char fatal do boolean tunnel in system else foo packet sniffer float terminal int default. Trojan horse ssh ifdef /dev/null chown cache error protocol afk todo rm -rf mainframe piggyback pwned regex xss warez Starcraft try catch stdio.h bubble sort. It's a feature I'm sorry Dave, I'm afraid I can't do that *.* port bypass ip.</p>
  
  <p>Stdio.h epoch mutex flood wannabee do race condition sql access exception. Bar pragma man pages dereference flush todo highjack while buffer bit nak big-endian syn xss salt for d00dz. Leslie Lamport linux server error hexadecimal snarf tunnel in rm -rf firewall then shell all your base are belong to us.</p>

  <p>Ascii gcc grep int flood kilo linux access mailbomb hash *.* fork semaphore frack else win bar ssh Leslie Lamport. Man pages strlen cache gnu segfault tarball race condition perl packet sniffer root cookie private chown d00dz January 1, 1970. Rsa public crack bit warez throw for void concurrently ip mutex.</p>
</main>