HTML Code

<!DOCTYPE html>

<html>

<head>

  <title>CSS background-origin padding-box vs border-box</title>

  <style>

    body {

      font-family: sans-serif;

      padding: 1.5rem;

      background: #f8fafc;

    }

    .compare {

      display: grid;

      grid-template-columns: 1fr 1fr;

      gap: 1rem;

      max-width: 42rem;

    }

    .panel {

      width: 100%;

      height: 160px;

      padding: 1.25rem;

      border: 12px solid #1e3a8a;

      border-radius: 0.75rem;

      background-image: radial-gradient(circle, #38bdf8 0 34px, transparent 35px);

      background-repeat: no-repeat;

      background-size: 72px 72px;

      background-position: top left;

    }

    .padding-box { background-origin: padding-box; }

    .border-box { background-origin: border-box; }

    .label {

      margin: 0 0 0.5rem;

      font-weight: 700;

      color: #0f172a;

    }

  </style>

</head>

<body>

  <h1>padding-box vs border-box</h1>

  <div class="compare">

    <div>

      <p class="label">padding-box</p>

      <div class="panel padding-box"></div>

    </div>

    <div>

      <p class="label">border-box</p>

      <div class="panel border-box"></div>

    </div>

  </div>

</body>

</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS background-origin Property - padding-box vs border-box