.transit_content{min-height:calc(100vh - 60px);padding-top:60px;position:relative}#showPDF{height:calc(100vh - 60px)}#showPDF,.transit_mask{align-items:center;display:flex;justify-content:center;width:100%}.transit_mask{background-color:rgba(0,0,0,.5);color:#fff;height:calc(100% - 20px);top:60px}.mask_top,.transit_mask{left:0;position:absolute}.mask_top{font-size:12px;text-align:center;top:20px;width:85%}.mask_content{align-items:center;display:flex;justify-content:center}.mask_title{font-size:25px;font-weight:700;margin:20px 0}.mask_btn a{background-color:#ff8c00;border-radius:5px;color:#fff;display:flex;font-size:18px;font-weight:700;margin:0 auto;padding:10px 50px;width:fit-content}