Clockworks | CSSで角丸ボックス■ HTML <div class="rbox"> <div class="rtop"> <span class="r1"></span><span class="r2"></span><span class="r3"></span><span class="r4"></span> </div> <div class="textbox"> ここにテキスト </div> <div class="rbottom"> <span class="r4"></span><span class="r3"></span><span class="r2"></span><span class="r1"></span> </div> </div> ■ CSS .rbox { width:300px; background-color:#cccccc
