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