Sélectionnez First Div CSS
#content div:first-child {
/*css*/
}
Mobile Star
#content div:first-child {
/*css*/
}
#content_id div.class_name:first-child {
/*your style*/
}
Since there is no :first-word pseudo-element in CSS, this script can be used in its place. It works in Firefox, Netscape 6+, IE4+/Win, Opera 7+, Konqueror 3, Safari, and IE5/Mac
http://www.dynamicsitesolutions.com/javascript/first-word-selector/?path2=/javascript/first-word-selector/