.iwe-sign-box,.bz-logreg-form,.bz-log-footer {min-width: 320px;max-width: 520px;width: 100%;}.iwe-title-color {color:#474747;}.bz-devide-line-b {border-bottom: 1px solid #ececec;}.bz-devide-line-t {border-top: 1px solid #ececec;}.bz-devide-line-l {border-left: 1px solid #ececec;}.bz-devide-line-r {border-right: 1px solid #ececec;}