Loopcode/8css.html at main · Dharmandra-singh/Loopcode · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-D0ENCWPZL9"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-D0ENCWPZL9');
</script>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>8. Positioning & Display in CSS</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Poppins', sans-serif;
      background-color: #1cc9be;
      padding: 20px;
    }
    .section {
      background: rgba(255, 255, 255, 0.3);
      padding: 20px;
      border-radius: 15px;
      max-width: 1000px;
      margin: auto;
      box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    }
    h2, h3 {
      color: #349;
      margin-bottom: 15px;
    }
    p {
      font-size: 18px;
      margin-bottom: 15px;
      line-height: 1.6;
    }
    textarea, iframe {
      width: 100%;
      height: 160px;
      font-size: 16px;
      padding: 10px;
      margin: 10px 0 20px;
      border-radius: 10px;
      border: 2px solid white;
      background: rgba(255,248,240,0.4);
      font-family: monospace;
    }
    iframe {
      margin-top: 10px;
    }
    button {
      background: #007bff;
      color: #fff;
      border: none;
      padding: 8px 20px;
      font-size: 15px;
      font-weight: 500;
      border-radius: 8px;
      cursor: pointer;
      margin-bottom: 20px;
      transition: all 0.3s ease-in-out;
      position: relative;
      overflow: hidden;
    }
    button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(120deg, #00bcd4, #2196f3);
      transition: all 0.4s ease;
      z-index: -1;
    }
    button:hover::before {
      left: 0;
    }
    button:hover {
      color: #fff;
      box-shadow: 0 4px 10px rgba(0,0,0,0.2);
      transform: translateY(-1px);
    }
    button:active {
      transform: scale(0.95);
      box-shadow: none;
    }
  </style>
</head>
<body>
  <div class="section">
    <h2>8. Positioning & Display in CSS</h2>

    <h3>1. position: static</h3>
    <p><strong>Explanation:</strong> Ye CSS ka default position hota hai. Koi special positioning nahi hoti. Element page me normal flow me appear hota hai.</p>
    <textarea id="code1">
<div style="position: static; background: lightcoral; padding: 20px;">
  Ye static position hai (default).
</div>
    </textarea>
    <button onclick="runCode('code1', 'output1')">Run Code</button>
    <iframe id="output1"></iframe>

    <h3>2. position: relative</h3>
    <p>Element apni original jagah se shift ho sakta hai using <code>top</code>, <code>left</code>, <code>right</code>, <code>bottom</code>. Lekin uski original space remain karti hai.</p>
    <textarea id="code2">
<div style="position: relative; top: 20px; left: 20px; background: orange; padding: 20px;">
  Relative position se element shift ho gaya.
</div>
    </textarea>
    <button onclick="runCode('code2', 'output2')">Run Code</button>
    <iframe id="output2"></iframe>

    <h3>3. position: absolute</h3>
    <p>Ye element apne closest <code>relative</code> ancestor ke respect me position leta hai. Agar na mile to <code>body</code> ke respect me hota hai.</p>
    <textarea id="code3">
<div style="position: relative; height: 150px; background: lightgray;">
  <div style="position: absolute; top: 10px; right: 10px; background: steelblue; color: white; padding: 10px;">
    Absolute Box
  </div>
</div>
    </textarea>
    <button onclick="runCode('code3', 'output3')">Run Code</button>
    <iframe id="output3"></iframe>

    <h3>4. position: fixed</h3>
    <p>Ye element viewport me fix rahta hai. Page scroll hone ke baad bhi wahi dikhta hai.</p>
    <textarea id="code4">
<div style="position: fixed; bottom: 10px; right: 10px; background: purple; color: white; padding: 10px;">
  Fixed Position Box
</div>
<p style="height: 400px;">Scroll karke dekho...</p>
    </textarea>
    <button onclick="runCode('code4', 'output4')">Run Code</button>
    <iframe id="output4"></iframe>

    <h3>5. position: sticky</h3>
    <p>Scroll karte waqt ye element chipak jata hai kisi position par. Useful for headers.</p>
    <textarea id="code5">
<div style="position: sticky; top: 0; background: gold; padding: 10px;">
  Sticky Header
</div>
<p style="height: 400px;">Scroll down to test sticky behavior.</p>
    </textarea>
    <button onclick="runCode('code5', 'output5')">Run Code</button>
    <iframe id="output5"></iframe>

    <h3>6. z-index</h3>
    <p><code>z-index</code> use hota hai layers define karne ke liye — kaunsa element upar ya niche dikhna chahiye.</p>
    <textarea id="code6">
<div style="position: relative; z-index: 1; background: red; color: white; padding: 20px; margin-top: 30px;">
  Z-index: 1
</div>
<div style="position: relative; z-index: 2; background: green; color: white; padding: 20px; margin-top: -40px;">
  Z-index: 2 (Upar)
</div>
    </textarea>
    <button onclick="runCode('code6', 'output6')">Run Code</button>
    <iframe id="output6"></iframe>

    <h3>7. Display: block, inline, inline-block, none</h3>
    <p><code>display</code> property se element ka layout behavior define hota hai.</p>
    <textarea id="code7">
<div style="display: block; background: #cce; padding: 10px;">Block Element</div>
<span style="display: inline; background: #ecc;">Inline</span>
<div style="display: inline-block; background: #cec; padding: 10px;">Inline-Block</div>
    </textarea>
    <button onclick="runCode('code7', 'output7')">Run Code</button>
    <iframe id="output7"></iframe>

    <h3>8. display: flex</h3>
    <p><code>flex</code> layout horizontal ya vertical direction me elements ko align karta hai easily.</p>
    <textarea id="code8">
<div style="display: flex; gap: 10px;">
  <div style="background: salmon; padding: 20px;">Item 1</div>
  <div style="background: skyblue; padding: 20px;">Item 2</div>
</div>
    </textarea>
    <button onclick="runCode('code8', 'output8')">Run Code</button>
    <iframe id="output8"></iframe>

    <h3>9. display: grid</h3>
    <p><code>grid</code> layout rows & columns me items ko arrange karta hai. Ye complex layout banane me best hai.</p>
    <textarea id="code9">
<div style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;">
  <div style="background: lightgreen; padding: 20px;">Grid 1</div>
  <div style="background: lightcoral; padding: 20px;">Grid 2</div>
</div>
    </textarea>
    <button onclick="runCode('code9', 'output9')">Run Code</button>
    <iframe id="output9"></iframe>

  </div>

  <script>
    function runCode(textareaId, iframeId) {
      const code = document.getElementById(textareaId).value;
      const iframe = document.getElementById(iframeId);
      const doc = iframe.contentDocument || iframe.contentWindow.document;
      doc.open();
      doc.write(code);
      doc.close();
    }
  </script>
</body>
</html>