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