.margin-top-alfa{margin-top:20px}.t-white{color:#fff}.t-left{text-align:left}.t-center{text-align:center}.no-padding-top{padding-top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}