What causes the change in background when I apply CSS to a div element?

Can anyone explain why the background changes when I style the div element?

Here is the code I am using. When I remove the CSS related to the div, the background instantly reverts back to its original state. Any insights would be greatly appreciated. Thank you!

<style>
    html {
      font-size: 10px;
      background: url('./background.jpg') bottom center;
      background-size: cover;
    }

    .keys {                  
      display: flex;
      flex: 1;
      min-height: 100vh;
      align-items: center;
      justify-content: center;
    }
  </style>
</head>

<body>


  <div class="keys"></div>


</body>
htmlcssbackground-image

Answer №1

If you're looking to improve your website layout, consider incorporating the following CSS snippet:

html, body {
  margin: 0;
  min-height: 100vh;
}

Keep in mind that providing a Minimal, Reproducible Example can greatly assist us in solving your issue efficiently.

Your cooperation in this matter will make it easier for us to offer assistance.

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