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