First:
code is as follows:


body
{
width: 100%;
higth: 100%;
}

when the browser to narrow, if there are floating element in the body. Or a set percentage of div or font extrusion condition.
the second case:
code is as follows:


body
{
width: 100%;
higth: 100%;
min - width: 980 px;
_width: expression (the document. The documentElement. ClientWidth | |. The document body. ClientWidth) <1350? "1350 px" : "");
}

when the width of the browser is smaller than 1350. Sets the width of the body to 1350 px; It's a fixed width. The browser scroll bar will appear. The font element will not appear.
# 0 - #


This concludes the body part