HTML/CSS/Frame Attributes/frameborder
"frameborder" displays a border around a frame or frameset
<source lang="html4strict">
<HTML> <frameset rows="*"
cols="125,*" frameborder="yes" border="20px" framespacing="5"> <frame name="leftFrame" scrolling="NO" noresize src="http://www.wbex.ru"> <frameset rows="200,*" border="15px" framespacing="0"> <frame name="topFrame" noresize scrolling="NO" src="http://www.wbex.ru"> <frame name="mainFrame" src="http://www.wbex.ru/style/logo.png"> </frameset>
</frameset> </HTML>
</source>