.Studentpassword{width:100%;min-height:calc(100vh - 176px);padding:24px 124px 14px 24px;box-sizing:border-box;position:relative;background:#fff;border-radius:4px}.Student_div{width:500px;margin:0 auto;margin-top:100px}.Student_span{width:100%;display:inline-block;text-align:center;padding-left:50px;box-sizing:border-box;margin-top:30px}