HTML CSS examples for CSS Widget:Color
The deeper the level and the darker the color
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> .class {<!-- ww w. j av a2 s.c o m--> width:200px; height:100px; padding:20px; border: 1px solid rgba(0,0,0,.8); } .class *{ width:100%; height:100%; } .class .class{ border: 1px solid rgba(0,0,0,.6); } .class .class .class{ border: 1px solid rgba(0,0,0,.4); } .class .class .class .class{ border: 1px solid rgba(0,0,0,.2); } </style> </head> <body> <div class="class"> <div class="class"> <div class="class"> <div class="class"></div> </div> </div> </div> </body> </html>