Disposition CSS - Exemples de flotteurs

Une image avec une bordure et des marges qui flottent vers la droite dans un paragraphe

<!DOCTYPE html>
<html>
<head>
<style>
img {
  float: right;
  border: 1px dotted black;
  margin: 0px 0px 15px 20px;
}
</style>
</head>
<body>

<h2>Let an image float to the right in a paragraph</h2>

<p>In the paragraph below, the image will float to the right. A dotted black border is added to the image. 
We have also added margins to the image to push the text away from the image:
0 px margin on the top and right side, 15 px margin on the bottom, and 20 px margin on the left side of the image.
</p>

<p><img src="w3css.gif" width="100" height="140">
This is some text. This is some text. This is some text.
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This is some text. This is some text. This is some text.
</p>

</body>
</html>

Une image avec une légende qui flotte vers la droite

<!DOCTYPE html>
<html>
<head>
<style>
div {
  float: right;
  width: 120px;
  margin: 0 0 15px 20px;
  padding: 15px;
  border: 1px solid black;
  text-align: center;
}
</style>
</head>
<body>

<h2>Let an image with a caption float to the right</h2>

<p>In the paragraph below, the div element is 120 pixels wide and it contains the image. The div element will float to the right. Margins are added to the div to push the text away from the div. Borders and padding are added to the div to frame in the picture and the caption.</p>

<div>
<img src="w3css.gif" width="100" height="140"><br>CSS is fun!
</div>

<p>
This is some text. This is some text. This is some text.
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This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
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This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
</p>

</body>
</html>

Laisser la première lettre d'un paragraphe flotter vers la gauche

<!DOCTYPE html>
<html>
<head>
<style>
span {
  float: left;
  width: 0.7em;
  font-size: 400%;
  font-family: algerian, courier;
  line-height: 80%;
}
</style>
</head>
<body>

<h2>Style the first letter of a paragraph and let it float left</h2>

<p>
<span>H</span>ere, the first letter of this text is embedded in a span element. The span element has a width that is 0.7 times the size of the current font. The font-size of the span element is 400% (quite large) and the line-height is 80%. The font of the letter in the span will be in "Algerian".
</p>

</body>
</html>

Créer un site internet avec float

<!DOCTYPE html>
<html>
<head>
<style>
* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.header {
  background-color: #2196F3;
  color: white;
  text-align: center;
  padding: 15px;
}

.footer {
  background-color: #444;
  color: white;
  padding: 15px;
}

.topmenu {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #777;
}

.topmenu li {
  float: left;
}

.topmenu li a {
  display: inline-block;
  color: white;
  text-align: center;
  padding: 16px;
  text-decoration: none;
}

.topmenu li a:hover {
  background-color: #222;
}

.topmenu li a.active {
  color: white;
  background-color: #4CAF50;
}

.column {
  float: left;
  padding: 15px;
}

.clearfix::after {
  content: "";
  clear: both;
  display: table;
}

.sidemenu {
  width: 25%;
}

.content {
  width: 75%;
}

.sidemenu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.sidemenu li a {
  margin-bottom: 4px;
  display: block;
  padding: 8px;
  background-color: #eee;
  text-decoration: none;
  color: #666;
}

.sidemenu li a:hover {
  background-color: #555;
  color: white;
}

.sidemenu li a.active {
  background-color: #008CBA;
  color: white;
}
</style>
</head>
<body>

<ul class="topmenu">
  <li><a href="#home" class="active">Home</a></li>
  <li><a href="#news">News</a></li>
  <li><a href="#contact">Contact</a></li>
  <li><a href="#about">About</a></li>
</ul>

<div class="clearfix">
  <div class="column sidemenu">
    <ul>
      <li><a href="#flight">The Flight</a></li>
      <li><a href="#city" class="active">The City</a></li>
      <li><a href="#island">The Island</a></li>
      <li><a href="#food">The Food</a></li>
      <li><a href="#people">The People</a></li>
      <li><a href="#history">The History</a></li>
      <li><a href="#oceans">The Oceans</a></li>
    </ul>
  </div>

  <div class="column content">
    <div class="header">
      <h1>The City</h1>
    </div>
    <h1>Chania</h1>
    <p>Chania is the capital of the Chania region on the island of Crete. The city can be divided in two parts, the old town and the modern city.</p>
    <p>You will learn more about responsive web pages in a later chapter.</p>
  </div>
</div>

<div class="footer">
  <p>Footer Text</p>
</div>

</body>
</html>