HTML/CSS/Box Model/margin top

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Версия от 08:16, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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A paragraph with top and bottom margins set at 5%

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Box Model Demo</title>
<meta http-equiv="Content-Type"
  content="text/html; charset=iso-8859-1" /> <style type="text/css">
body {
  background-color: #808;
}
p {
  background: #c0c; 
  margin-left: 20%; 
  padding-left: 10%;
  margin-top: 5%;
  margin-bottom: 5%;
}
</style> </head>
<body>
     <p>A paragraph with top and bottom margins set at 5%</p>
   
</body>
</html>



Independently set margin-left, margin-right, margin-top, and margin-bottom.

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
.container{
    position: relative;
    width: 800px;
    height: 800px;
    background: pink;
}
* .box {
  float: right;
  overflow: auto;
  visibility: visible;
  width: auto;
  height: 100px;
  margin: 10px;
  padding: 10px;
  background: red;
}
* .small {
    position: absolute;
    margin-left: 200px;
    background: yellow;  
}
</style>
</head>
<body>
  <div class="container"> 
    <div class="small">this is a test. <BR/>this is a test. this is a test. this is a test. </div> 
    <div class="box">this is a test</div> 
  </div> 
</body>
</html>



Layered with negative top margin

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
* .static {
  position: static;
  background: red;
}
* .overlap {
  margin-top: -22px;
  background: yellow;
}
* .relative {
  position: relative;
  background: pink;
}
* .fixed {
  position: fixed;
  margin-top: -16px;
  background: gold;
}
* .absolute {
  position: absolute;
  top: 65px;
  background: blue;
}
</style>
</head>
<body>
<div>Layered 
  <p class="static">Static Overlapping Block</p> 
  <p class="static overlap">Static Overlapping Block</p> 
  <table class="static overlap"><tr><td>Overlapping Table</td></tr></table>
</div> 
</body>
</html>



margin-top: .33em

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title></title>
<style type="text/css">
label {
  margin-top: .33em;
  display: block;
}
</style>
</head>
<body>
<div id="container">
  <div id="header">
    <h1>My Amazing Web Site </h1>
  </div>
  <div id="wrapper">
    <div id="content">
      <h2>Contact Form</h2>
    
    <p>This is a test.</p>
    
      <p>Please fill out our form below in order to contact me. </p>
      <form id="form1" name="form1" method="post" action="/">
    
      <label for="fmtitle" accesskey="i">T<span class="akey">i</span>tle</label>
      <select name="fmtitle" id="fmtitle">
      <option value="ms">Ms.</option>
      <option value="mrs">Mrs.</option>
      <option value="miss">Miss</option>
      <option value="mr">Mr.</option>
        </select>

        <label for="fmname" accesskey="n"><span class="akey">N</span>ame</label>
        <input type="text" name="fmname" id="fmname" />
    
        <label for="fmemail" accesskey="e"><span class="akey">E</span>mail</label>
        <input type="text"  name="fmemail" id="fmemail" />
    
        <label for="fmstate" accesskey="a">St<span class="akey">a</span>te/Province</label>
        <input type="text" name="fmstate" id="fmstate" />
    
        <label for="fmstate" accesskey="y">Countr<span class="akey">y</span></label>
        <input type="text" name="fmcountry" id="fmcountry" />
    
        <label for="fmmsg"><span class="akey">M</span>essage</label>
        <textarea name="fmmsg" accesskey="m" id="fmmsg" rows="5" cols="14"></textarea>
    
        <input type="submit" name="submit" value="send &raquo;" class="submit" />
      </form>
      
     <p>Note: Due to our busy schedules, we cannot answer every message.</p>
    
    </div>
  </div>
  <div id="extra">
    <h2>header</h2>
    <p>This is a text</p>
  </div>
  <div id="footer">
    <p>All rights reserved except where noted.</p>
  </div>
</div>
</body>
</html>



Set image margin top and left to negative value

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
img {
 position: absolute;
 top: 50%;
 left: 50%;
 margin-top: -96px;
 margin-left: -138px;
 height: 192px;
 width: 256px;
}
</style>
</head>
<body>
  <img src="w.jpg" width="256" height="192" alt="Photo">
  
</body>
</html>



Top Aligned Absolute block

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
<style type="text/css" title="text/css">
* .grandContainer {
  position: relative;
  height: 300px;
  width: 700px;
  border: 2px solid black;
  background: red;
}
* .parent {
  margin: 10px;
  padding: 10px;
  padding-top: 0;
  border: 1px solid black;
  background: purple;
}
* .ex {
  padding: 5px;
  border: 5px solid black;
  width: 120px;
  text-align: center;
  position: relative;
}
* .ex span {
  left: 0;
  width: 130px;
  height: auto;
}
#myAbsolute {
  height: 100px;
  top: 0;
  margin-top: 0;
  bottom: auto;
  margin-bottom: auto;
  position: absolute;
  margin-left: 200px;
  background-color: gold;
}
</style>
</head>
<body>
  <div class="grandContainer">Positioned Grandparent 
    <div class="parent">Non-positioned Parent 
      <span id="myAbsolute" class="ex"><span>Sized Absolute</span></span> 
    </div>
  </div> 
</body>
</html>



Top offset Static Block

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
<style type="text/css" title="text/css">
* .grandContainer {
  position: relative;
  height: 300px;
  width: 700px;
  border: 2px solid black;
  background: red;
}
* .parent {
  margin: 10px;
  padding: 10px;
  padding-top: 0;
  border: 1px solid black;
  background: purple;
}
* .innerClass {
  padding: 5px;
  border: 5px solid black;
  width: 120px;
  text-align: center;
  position: relative;
}
* .innerClass span {
  left: 0;
  width: 130px;
  height: auto;
}
#myStyle {
  height: auto;
  margin-top: -70px;
  margin-bottom: 0;
  position: static;
  background-color: yellow;
  background-color: gold;
}
</style>
</head>
<body>
<div class="grandContainer">Positioned Grandparent 
    <div class="parent">Non-positioned Parent 
        <div id="myStyle" class="innerClass"><span>this is a test. this is a test. </span></div> 
    </div>
</div> 
</body>
</html>
Источник — «http://wbex.ru/index.php?title=HTML/CSS/Box_Model/margin_top&oldid=5281»