I am unable to determine the origin or background of my sidebar

I am having an issue with styling a sidebar using HTML and CSS. The problem I am facing is with setting the background-color property. Despite my efforts to customize the style, the background remains transparent and shows the color of the page beneath it.

.sidebar {
  height: 100%;
  width: 250px;
  position: fixed;
  z-index: 7;
  top: 0;
  left: 0: background-color: blue;
  overflow: auto;
  padding-top: 350px
}
<div id="mySidenav" class="sidebar">
  <a href="#">Barber</a>
  <a href="#">Massage</a>
  <a href="#">Nails</a>
</div>

Could the inclusion of Bootstrap CSS be causing this issue? I need help figuring out why this is happening.

cssbootstrap-4backgroundsidebar

Answer №1

Your CSS code has a small error - it's setting left: 0:, but it should be left: 0;. By making this change, your background color will display correctly.

.sidebar {
  height: 100%;
  width: 250px;
  position: fixed;
  z-index: 7;
  top: 0;
  left: 0;
  background-color: blue;
  overflow: auto;
  padding-top: 350px
}
<div id="mySidenav" class="sidebar">
  <a href="#">Barber</a>
  <a href="#">Massage</a>
  <a href="#">Nails</a>
</div>

We've all been there - spending too much time trying to figure out a problem only to realize it was just a simple mistake. In this case, a code editor with syntax highlighting would have caught the issue easily. When I tested your code in Codepen, the error stood out right away.

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