You can buy this project and download/modify it how often you want.
{{:: 'login-theme' | translate}} {{:: 'select-one.placeholder' | translate}} {{:: 'login-theme.tooltip' | translate}} {{:: 'account-theme' | translate}} {{:: 'select-one.placeholder' | translate}} {{ 'account-theme.tooltip' | translate}} {{:: 'admin-console-theme' | translate}} {{:: 'select-one.placeholder' | translate}} {{:: 'select-theme-admin-console' | translate}} {{:: 'email-theme' | translate}} {{:: 'select-one.placeholder' | translate}} {{:: 'select-theme-email' | translate}} {{:: 'i18n-enabled' | translate}} {{:: 'supported-locales' | translate}} {{:: 'default-locale' | translate}} {{:: 'select-one.placeholder' | translate}} {{:: 'save' | translate}} {{:: 'cancel' | translate}}