Element button pseudo-class :active generated with border 0px rgba(0,0,0,1) solid overflow visible box-sizing content-box border-radius transform line-height 1 height auto box-shadow 0px 0px 2px rgba(0,0,0,0.5) padding 0px text-shadow float none margin 0px display block cursor default font-size 16px transition width auto font-weight normal position static background z-index auto