Name: Layout - CSS challenges
Rating: 3.4 (9141 reviews)
Author: mitchell_cheng

You can find all the code in this post at the repo Github.

You can check the visual here:

Common layout via CSS

Fixed navigation layout

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Fixed Navigation</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <nav>This is a navbar</nav>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
    <h1>Test</h1>
  </body>
</html>

nav {
  position: fixed;
  top: 0;
  z-index: 1000;
  width: 100%;
}

Two-columns layout

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Two Columns Layout</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <!--
    <div class="float-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
    -->

    <!--
    <div class="absolute-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
    -->

    <!--
    <div class="bfc-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
    -->

    <!--
    <div class="flex-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
    -->

    <!--
    <div class="grid-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
    -->

    <div class="table-container">
      <div class="left">
        <h1>Left Side</h1>
      </div>
      <div class="right">
        <h1>Right Side</h1>
      </div>
    </div>
  </body>
</html>

.float-container .left {
  width: 200px;
  float: left;
  background-color: tomato;
}

.float-container .right {
  margin-left: 200px;
  background-color: aqua;
}

.absolute-container {
  position: relative;
}

.absolute-container .left {
  width: 200px;
  position: absolute;
  top: 0;
  left: 0;
  background-color: tomato;
}

.absolute-container .right {
  margin-left: 200px;
  background-color: aqua;
}

.bfc-container .left {
  width: 200px;
  float: left;
  background-color: tomato;
}

.bfc-container .right {
  overflow: hidden;
  background-color: aqua;
}

.flex-container {
  display: flex;
}

.flex-container .left {
  width: 200px;
  background-color: tomato;
}

.flex-container .right {
  flex: 1;
  background-color: aqua;
}

.grid-container {
  display: grid;
  grid-template-columns: 200px 1fr;
}

.grid-container .left {
  background-color: tomato;
}

.grid-container .right {
  background-color: aqua;
}

.table-container {
  display: table;
}

.table-container .left {
  display: table-cell;
  background-color: tomato;
}

.table-container .right {
  display: table-cell;
  background-color: aqua;
}

Three-columns layout

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Three Columns Layout</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <div class="flex-container">
      <div class="left">Left</div>
      <div class="middle">Middle</div>
      <div class="right">Right</div>
    </div>

    <div class="grid-container">
      <div class="left">Left</div>
      <div class="middle">Middle</div>
      <div class="right">Right</div>
    </div>

    <div class="absolute-container">
      <div class="left">Left</div>
      <div class="middle">Middle</div>
      <div class="right">Right</div>
    </div>

    <div class="float-container">
      <div class="left">Left</div>
      <div class="middle">Middle</div>
      <div class="right">Right</div>
    </div>
  </body>
</html>

.flex-container {
  display: flex;
}

.flex-container .left {
  width: 200px;
  background-color: tomato;
}

.flex-container .middle {
  flex: 1;
  background-color: blanchedalmond;
}

.flex-container .right {
  width: 200px;
  background-color: aqua;
}

.grid-container {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
}

.grid-container .left {
  background-color: tomato;
}

.grid-container .middle {
  background-color: blanchedalmond;
}

.grid-container .right {
  background-color: aqua;
}

.absolute-container {
  position: relative;
}

.absolute-container .left,
.absolute-container .right {
  position: absolute;
  width: 200px;
  top: 0;
}

.absolute-container .left {
  left: 0;
  background-color: tomato;
}

.absolute-container .right {
  right: 0;
  background-color: aqua;
}

.absolute-container .middle {
  margin-left: 200px;
  margin-right: 200px;
  background-color: blanchedalmond;
}

.float-container .left {
  width: 200px;
  float: left;
  background-color: tomato;
}

.float-container .right {
  width: 200px;
  float: right;
  background-color: aqua;
}

.float-container .middle {
  margin-left: 200px;
  margin-right: 200px;
  background-color: blanchedalmond;
}

Holy Grail

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Holy Grail</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <header>Header</header>
    <div class="columns">
      <nav>Navigation</nav>
      <main>Main</main>
      <aside>Sidebar</aside>
    </div>
    <footer>Footer</footer>
  </body>
</html>

body {
  min-height: 100vh;
}

#root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header,
nav,
main,
aside,
footer {
  text-align: center;
  padding: 12px;
}

header {
  height: 60px;
  background-color: tomato;
}

.columns {
  display: flex;
  flex-grow: 1;
}

nav {
  flex-shrink: 0;
  width: 100px;
  background-color: coral;
}

main {
  flex-grow: 1;
  background-color: moccasin;
}

aside {
  flex-shrink: 0;
  width: 100px;
  background-color: sandybrown;
}

footer {
  height: 100px;
  background-color: slategray;
}

Layout - CSS challenges

Common layout via CSS

Fixed navigation layout

Two-columns layout

Three-columns layout

Holy Grail

Reference