User:Iritscen/vector.css

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/* Fix the sidebar in place when scrolling */
div#mw-panel
{
  position: fixed;
  height: 100%;
  /* Prevent content overlay when sidewards scrolling */
  background-color: #F6F6F6;
  border-right: 1px solid #A7D7F9;
}

/* Prevent sidewards scrolling in pre elements */
pre
{
  overflow: auto;
  max-height: 25em;
}