Element button pseudo-class :active generated with transform opacity 0.74 padding 20px border-radius text-shadow margin 0px box-shadow 0px 0px 10px rgba(0,0,0,0.5) display inline-block outline none position static background cursor pointer float none width 170px border 2px rgba(52,158,83,1) solid line-height normal overflow visible box-sizing content-box font-size 30px transition z-index auto font-weight normal height 40px