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