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Working with CSS background imagesWeb Design with HTML and CSS Digital Classroom4 Locate the maincontent rule in your base.css style sheet. Add the following property
and value (highlighted in red) at the top of your list of rules:
#maincontent {
position:relative;
width:600px;
fl oat:right;
/*background-color:#ADA446; */
}
Save the fi le and then preview it in your browser. Although not positioned exactly where you
need it, the splash div is now positioned in the top-left corner of the maincontent div.By setting a position:relative property on the maincontent div, your heading is using this div as a reference.Setting this div to position:relative instructs the absolutely positioned splash
div to use the top-left corner of the maincontent div, not the top-left corner of the
page. To position the box exactly where you want it, you can change the top and left
coordinates.
5 Modify the top and left values as follows (highlighted in red):
#splash {
position:absolute;
width:290px;
height:230px;
top: 35 px;
left: 35 px;}