Element block pseudo-element :before generated with overflow hidden padding 20px transition float none border-radius display block margin 0px z-index auto box-sizing content-box background font-weight normal line-height 1 height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static border 0px rgba(0,0,0,1) solid width 160px cursor default font-size 16px transform box-shadow 1px 1px 1px rgba(0,0,0,0.3)