Element button pseudo-element :before generated with transition outline none transform width 100% font-size 16px opacity 0.55 border-radius text-shadow margin 0px background padding 0px overflow visible box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing border-box height auto cursor default border 0px rgba(0,0,0,1) solid z-index auto position relative line-height 1 font-weight normal display block float none