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