mehran muslimi CSS auto text enter

Hi,

I'm using Microsoft Expression Web 4 to create a webpage with css.

Below is my css code:

/* CSS layout */
body {
margin: 0;
padding: 0;
text-align:left; width:1024px; margin:0 auto;position:fixed;
}

#masthead {
margin-left: 210px;
}

#top_nav {
margin-left: 210px;
padding-top: 10px;
padding-right: 10px;

}

#container {
padding-top: 10px;
padding-right: 10px;
}

#left_col {
width: 200px;
float: left;
}

#page_content {
margin-left: 210px;
}

#footer {
clear: both;
}

Now, I'm having problem with the entering text in the #page_content. The words just couldn't auto 'enter' right after the defined width (which is 1024px). I have to press enter manually.

Thanks