.external-content-message{align-self:stretch;text-align:center;padding:10px}.external-content-message.warning{background-color:var(--status-warning-background)}.external-content-message.error{background-color:var(--status-error-background)}.external-dialog.ms-Dialog-main{max-width:90vw}.external-content--iframe{width:100%}.external-content--iframe.themeless{background:white}