HTML/CSS/Box Model/border top

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border-top: 1px solid #003

 
<!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">
#navsite ul li {
 margin: 0; 
 border-top: 1px solid #003;
}
</style>
</head>
<body id="pagespk">
  <div id="navsite">
    <h5>Site navigation:</h5>
    <ul>
     <li><a href="" id="linkhom">Home</a></li>
     <li><a href="" id="linkabt">About</a></li> 
     <li><a href="" id="linkarh">Archives</a></li>
     <li><a href="" id="linkwri">Writing</a></li>
     <li><a href="" id="linkspk">Speaking</a></li> 
     <li><a href="" id="linkcnt">Contact</a></li>
    </ul>
  </div>
</body>
</html>



border top one value

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: solid;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



border-top shortcut: 10px solid black;

 
<!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>border-top shortcut: 10px solid black;</title>
<style type="text/css">
h2 {
 border-top: 10px solid black;
}
</style>
</head>
<body>
  <h2>This is a header</h2>
  <p>This is a test</p>
</body>
</html>



border top style color

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: solid black;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



Independently set border-left, border-right, border-top, and border-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;
    border-left: 10px dotted black;
    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>



The top border of this paragraph has a medium width and the color specified for text

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: solid;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



The top border of this paragraph has is 1 pixel width, solid and black.

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: 1px solid black;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



The top border of this paragraph is of medium thickness.

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: solid black;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



Top border a medium width and the color specified for text.

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: solid;
        }
            </style>
        </head>
        <body>
      <p>
          This is a test. This is a test. 
      </p>
        </body>
    </html>



top border of this paragraph is the same color as the text color

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
        <head>
            <title></title>
            <style type="text/css">
        p {
            border-top: thin solid;
        }
            </style>
        </head>
        <body>
      <p>
               This is a test. .
      </p>
        </body>
    </html>