HTML-CSS-Project/chapter14.html at main · TulyXPlatform/HTML-CSS-Project · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Chapter 14: CSS Box Model</title>
  <link rel="stylesheet" href="style.css">
  <style>
    /* Box Sizing Demo */
    #box-border {
      width: 200px;
      height: 200px;
      padding: 10px;
      border: 5px solid red;
      margin: 8px;
      box-sizing: border-box;
      background: lightblue;
    }
    #box-content {
      width: 200px;
      height: 200px;
      padding: 10px;
      border: 5px solid green;
      margin: 8px;
      box-sizing: content-box;
      background: lightyellow;
    }

    /* Margin Demo */
    #margin-child {
      border: 1px solid red;
      margin: 50px 30px;
    }
    #auto-margin {
      border: 1px solid blue;
      width: 200px;
      margin: auto;
    }
    #collapse-one {
      border: 1px solid red;
      margin: 30px;
    }
    #collapse-two {
      border: 1px solid blue;
      margin: 60px;
    }

    /* Outline Demo */
    .outline-demo {
      border: 1px solid black;
      outline: 5px dotted red;
      padding: 10px;
    }

    /* Border Styles Demo */
    .border-style {
      border: 5px groove red;
      padding: 10px;
    }

    /* Border Radius Demo */
    #radius-1 {
      border-radius: 10px;
      background: green;
      width: 100px;
      height: 50px;
      margin-bottom: 10px;
    }
    #radius-2 {
      border-radius: 50%;
      background: orange;
      width: 100px;
      height: 100px;
    }

    /* Border Image Demo (using gradient for simplicity) */
    #border-img-round {
      border: 20px solid transparent;
      padding: 15px;
      border-image: linear-gradient(red, yellow) 30 round;
    }
    #border-img-stretch {
      border: 20px solid transparent;
      padding: 15px;
      border-image: linear-gradient(blue, cyan) 30 stretch;
    }

    /* Padding Demo */
    .padding-demo {
      border: 1px solid black;
      padding: 20px;
    }

    /* Width & Height Demo */
    #wh-normal {
      border: 1px solid black;
      width: 100px;
      height: 100px;
    }
    #wh-max {
      border: 1px solid black;
      max-width: 100px;
      max-height: 100px;
    }
    #wh-min {
      border: 1px solid black;
      min-width: 100px;
      min-height: 100px;
    }

  </style>
</head>
<body>
  <h2 class="chapter-header">Chapter 14: CSS Box Model</h2>

  <!-- Box Sizing -->
  <div class="tag-section">
    <h3>Box Sizing</h3>
    <div class="tag-demo">
      <div class="head-demo" id="box-border">Border-box (size includes padding & border)</div>
      <div class="head-demo" id="box-content">Content-box (size excludes padding & border)</div>
    </div>
  </div>

  <!-- Margins -->
  <div class="tag-section">
    <h3>Margins</h3>
    <div class="tag-demo">
      <div class="head-demo" id="margin-child">Normal Margin (50px top/bottom, 30px sides)</div>
      <div class="head-demo" id="auto-margin">Auto Margin (centered horizontally)</div>
      <div class="head-demo">
        <div id="collapse-one">Collapsing Margin 30px</div>
        <div id="collapse-two">Collapsing Margin 60px</div>
      </div>
    </div>
  </div>

  <!-- Outline -->
  <div class="tag-section">
    <h3>Outline</h3>
    <div class="tag-demo">
      <div class="head-demo outline-demo">This paragraph has dotted red outline outside border</div>
    </div>
  </div>

  <!-- Borders -->
  <div class="tag-section">
    <h3>Borders</h3>
    <div class="tag-demo">
      <div class="head-demo border-style">This box has a groove border</div>
    </div>
  </div>

  <!-- Border Radius -->
  <div class="tag-section">
    <h3>Border Radius</h3>
    <div class="tag-demo">
      <div class="head-demo">
        <div id="radius-1"></div>
        <div >Rounded corners (10px)</div>
      </div>
      <div class="head-demo">
        <div id="radius-2"></div>
        <div >Circle (50%)</div>
      </div>
    </div>
  </div>

  <!-- Border Image -->
  <div class="tag-section">
    <h3>Border Image</h3>
    <div class="tag-demo">
      <div class="head-demo" id="border-img-round">Border with round repeat</div>
      <div class="head-demo" id="border-img-stretch">Border with stretched gradient</div>
    </div>
  </div>

  <!-- Padding -->
  <div class="tag-section">
    <h3>Padding</h3>
    <div class="tag-demo">
      <div class="head-demo padding-demo">This box has 20px padding inside border</div>
    </div>
  </div>

  <!-- Width & Height -->
  <div class="tag-section">
    <h3>Width & Height</h3>
    <div class="tag-demo">
      <div class="head-demo" id="wh-normal">100x100 fixed size</div>
      <div class="head-demo" id="wh-max">Max width & height 100px</div>
      <div class="head-demo" id="wh-min">Min width & height 100px</div>
    </div>
  </div>
</body>
</html>