Element button pseudo-class :active generated with box-sizing content-box opacity 1 margin 8px cursor pointer background display inline-block width auto transform height auto z-index auto overflow visible font-size 18px font-weight normal float none border 1px rgba(255,255,255,0) solid line-height normal position static transition outline none text-shadow -1px -1px 0px rgba(63,63,63,0.66) box-shadow 2px 2px 2px rgba(0,0,0,0.2) padding 30px border-radius