CSS设计网页边框 boader使用方法

实例一：

CSS：
p {padding: 15px; border: 1px solid black; } 
h5{padding: 0px; border: 1px solid red;}
XHTML：

This is a paragraph that has a padding of 15 pixels on every side: top, right, bottom, and left.

This header has no padding, which places the text right against the border!

实例二：

CSS：
p {padding: 2%; border: 1px solid black; }
h5{padding: 0px; border: 1px solid red;}
XHTML：

This is a paragraph that has a padding of 5 pixels on every side: left, top, right, and bottom.

This header has no padding. It is only spaced away from the paragraph because the paragraph has a padding of 5 pixels!

实例三：

CSS：
p { padding-left: 5px; border: 1px solid black; }
h5{
    padding-top: 0px;
    padding-right: 2px;
    padding-bottom: 13px;
    padding-left: 21px;
    border: 1px solid red;
}
XHTML：

This paragraph had one padding specified(left), using directional declaration.

This header had each padding specified separately, using directional declaration.

实例四：

CSS：
p {
    padding: 5px 15px;
    border: 1px solid black;
} 
h5{
    padding: 0px 5px 10px 3px;
    border: 1px solid red;
}
XHTML：

This paragraph has a top and bottom padding of 5 pixels and a right and left padding of 15 pixels.

This header has a top padding of 0 pixels, a right padding of 5 pixels, a bottom padding of 10 pixels, and a left padding of 3 pixels.