I'm having trouble with the borders on my header table. In Chrome, the top border disappears when I scroll down, and in Firefox, it simply doesn't appear.
You can see the issue here https://codepen.io/anon/pen/zyEwZq#anon-login
Check it out on both browsers.
I've attempted to use different positioning techniques like "fixed", but they didn't work.
<div id="dados-ordem-tabela" class="alphaBorda1 settingsConf shadow-box ativa-display-dialog">
<div class="titulo alphaBackground3">
<a>Dados de Ordem</a>
</div>
<div class="menuSt">
<ul class="settingsConf-ul">
<li id="aba-dados-ordem" tab=".dados-ordem" class="mouseoverAlpha5 settingsConf-li tippy-cursor-point pri aq">Ordens</li>
<li id="aba-dados-ordem-oms" tab=".dados-ordem-oms" class="mouseoverAlpha5 settingsConf-li tippy-cursor-point pri">Stop</li>
</ul>
</div>
<div class="dados-ordem style-tabela style-tabela-ordens menuBck" style="">
<table>
// Table content goes here...
</table>
</div>
<div class="footer">
<button class="alphaBackground3 alphaBorda1 button bt-atualizar" type="button">Atualizar</button>
<button class="alphaBackground3 alphaBorda1 button bt-cancelar" type="button">Fechar</button>
</div>
CSS Styles:
// CSS styles go here...