**Example 1: To customize the classic hosted UI for an app client**

The following ``set-ui-customization`` example configures the requested app client with some custom CSS and with the Amazon Cognito logo as the application logo. ::

    aws cognito-idp set-ui-customization \
        --user-pool-id us-west-2_ywDJHlIfU \
        --client-id 14pq32c5q2uq2q7keorloqvb23 \
        --css ".logo-customizable {\n\tmax-width: 60%;\n\tmax-height: 30%;\n}\n.banner-customizable {\n\tpadding: 25px 0px 25px 0px;\n\tbackground-color: lightgray;\n}\n.label-customizable {\n\tfont-weight: 400;\n}\n.textDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.idpDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.legalText-customizable {\n\tcolor: #747474;\n\tfont-size: 11px;\n}\n.submitButton-customizable {\n\tfont-size: 11px;\n\tfont-weight: normal;\n\tmargin: 20px -15px 10px -13px;\n\theight: 40px;\n\twidth: 108%;\n\tcolor: #fff;\n\tbackground-color: #337ab7;\n\ttext-align: center;\n}\n.submitButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #286090;\n}\n.errorMessage-customizable {\n\tpadding: 5px;\n\tfont-size: 14px;\n\twidth: 100%;\n\tbackground: #F5F5F5;\n\tborder: 2px solid #D64958;\n\tcolor: #D64958;\n}\n.inputField-customizable {\n\twidth: 100%;\n\theight: 34px;\n\tcolor: #555;\n\tbackground-color: #fff;\n\tborder: 1px solid #ccc;\n\tborder-radius: 0px;\n}\n.inputField-customizable:focus {\n\tborder-color: #66afe9;\n\toutline: 0;\n}\n.idpButton-customizable {\n\theight: 40px;\n\twidth: 100%;\n\twidth: 100%;\n\ttext-align: center;\n\tmargin-bottom: 15px;\n\tcolor: #fff;\n\tbackground-color: #5bc0de;\n\tborder-color: #46b8da;\n}\n.idpButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #31b0d5;\n}\n.socialButton-customizable {\n\tborder-radius: 2px;\n\theight: 40px;\n\tmargin-bottom: 15px;\n\tpadding: 1px;\n\ttext-align: left;\n\twidth: 100%;\n}\n.redirect-customizable {\n\ttext-align: center;\n}\n.passwordCheck-notValid-customizable {\n\tcolor: #DF3312;\n}\n.passwordCheck-valid-customizable {\n\tcolor: #19BF00;\n}\n.background-customizable {\n\tbackground-color: #fff;\n}\n" \
        --image-file 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

Output::

    {
        "UICustomization": {
            "UserPoolId": "us-west-2_ywDJHlIfU",
            "ClientId": "14pq32c5q2uq2q7keorloqvb23",
            "ImageUrl": "https://cf.thewrong.club/14pq32c5q2uq2q7keorloqvb23/20250117005911/assets/images/image.jpg",
            "CSS": ".logo-customizable {\n\tmax-width: 60%;\n\tmax-height: 30%;\n}\n.banner-customizable {\n\tpadding: 25px 0px 25px 0px;\n\tbackground-color: lightgray;\n}\n.label-customizable {\n\tfont-weight: 400;\n}\n.textDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.idpDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.legalText-customizable {\n\tcolor: #747474;\n\tfont-size: 11px;\n}\n.submitButton-customizable {\n\tfont-size: 11px;\n\tfont-weight: normal;\n\tmargin: 20px -15px 10px -13px;\n\theight: 40px;\n\twidth: 108%;\n\tcolor: #fff;\n\tbackground-color: #337ab7;\n\ttext-align: center;\n}\n.submitButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #286090;\n}\n.errorMessage-customizable {\n\tpadding: 5px;\n\tfont-size: 14px;\n\twidth: 100%;\n\tbackground: #F5F5F5;\n\tborder: 2px solid #D64958;\n\tcolor: #D64958;\n}\n.inputField-customizable {\n\twidth: 100%;\n\theight: 34px;\n\tcolor: #555;\n\tbackground-color: #fff;\n\tborder: 1px solid #ccc;\n\tborder-radius: 0px;\n}\n.inputField-customizable:focus {\n\tborder-color: #66afe9;\n\toutline: 0;\n}\n.idpButton-customizable {\n\theight: 40px;\n\twidth: 100%;\n\twidth: 100%;\n\ttext-align: center;\n\tmargin-bottom: 15px;\n\tcolor: #fff;\n\tbackground-color: #5bc0de;\n\tborder-color: #46b8da;\n}\n.idpButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #31b0d5;\n}\n.socialButton-customizable {\n\tborder-radius: 2px;\n\theight: 40px;\n\tmargin-bottom: 15px;\n\tpadding: 1px;\n\ttext-align: left;\n\twidth: 100%;\n}\n.redirect-customizable {\n\ttext-align: center;\n}\n.passwordCheck-notValid-customizable {\n\tcolor: #DF3312;\n}\n.passwordCheck-valid-customizable {\n\tcolor: #19BF00;\n}\n.background-customizable {\n\tbackground-color: #fff;\n}\n",
            "CSSVersion": "20250117005911"
        }
    }

**Example 2: To set the default UI customization for all app clients**

The following ``set-ui-customization`` example configures the requested user pool for all app clients that don't have a client-specific configuration. The command applies some custom CSS and with the Amazon Cognito logo as the application logo. ::

    aws cognito-idp set-ui-customization \
    --user-pool-id us-west-2_ywDJHlIfU \
    --client-id ALL \
    --css ".logo-customizable {\n\tmax-width: 60%;\n\tmax-height: 30%;\n}\n.banner-customizable {\n\tpadding: 25px 0px 25px 0px;\n\tbackground-color: lightgray;\n}\n.label-customizable {\n\tfont-weight: 400;\n}\n.textDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.idpDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.legalText-customizable {\n\tcolor: #747474;\n\tfont-size: 11px;\n}\n.submitButton-customizable {\n\tfont-size: 11px;\n\tfont-weight: normal;\n\tmargin: 20px -15px 10px -13px;\n\theight: 40px;\n\twidth: 108%;\n\tcolor: #fff;\n\tbackground-color: #337ab7;\n\ttext-align: center;\n}\n.submitButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #286090;\n}\n.errorMessage-customizable {\n\tpadding: 5px;\n\tfont-size: 14px;\n\twidth: 100%;\n\tbackground: #F5F5F5;\n\tborder: 2px solid #D64958;\n\tcolor: #D64958;\n}\n.inputField-customizable {\n\twidth: 100%;\n\theight: 34px;\n\tcolor: #555;\n\tbackground-color: #fff;\n\tborder: 1px solid #ccc;\n\tborder-radius: 0px;\n}\n.inputField-customizable:focus {\n\tborder-color: #66afe9;\n\toutline: 0;\n}\n.idpButton-customizable {\n\theight: 40px;\n\twidth: 100%;\n\twidth: 100%;\n\ttext-align: center;\n\tmargin-bottom: 15px;\n\tcolor: #fff;\n\tbackground-color: #5bc0de;\n\tborder-color: #46b8da;\n}\n.idpButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #31b0d5;\n}\n.socialButton-customizable {\n\tborder-radius: 2px;\n\theight: 40px;\n\tmargin-bottom: 15px;\n\tpadding: 1px;\n\ttext-align: left;\n\twidth: 100%;\n}\n.redirect-customizable {\n\ttext-align: center;\n}\n.passwordCheck-notValid-customizable {\n\tcolor: #DF3312;\n}\n.passwordCheck-valid-customizable {\n\tcolor: #19BF00;\n}\n.background-customizable {\n\tbackground-color: #fff;\n}\n" \
    --image-file 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

Output::

    {
        "UICustomization": {
            "UserPoolId": "us-west-2_ywDJHlIfU",
            "ClientId": "14pq32c5q2uq2q7keorloqvb23",
            "ImageUrl": "https://cf.thewrong.club/14pq32c5q2uq2q7keorloqvb23/20250117005911/assets/images/image.jpg",
            "CSS": ".logo-customizable {\n\tmax-width: 60%;\n\tmax-height: 30%;\n}\n.banner-customizable {\n\tpadding: 25px 0px 25px 0px;\n\tbackground-color: lightgray;\n}\n.label-customizable {\n\tfont-weight: 400;\n}\n.textDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.idpDescription-customizable {\n\tpadding-top: 10px;\n\tpadding-bottom: 10px;\n\tdisplay: block;\n\tfont-size: 16px;\n}\n.legalText-customizable {\n\tcolor: #747474;\n\tfont-size: 11px;\n}\n.submitButton-customizable {\n\tfont-size: 11px;\n\tfont-weight: normal;\n\tmargin: 20px -15px 10px -13px;\n\theight: 40px;\n\twidth: 108%;\n\tcolor: #fff;\n\tbackground-color: #337ab7;\n\ttext-align: center;\n}\n.submitButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #286090;\n}\n.errorMessage-customizable {\n\tpadding: 5px;\n\tfont-size: 14px;\n\twidth: 100%;\n\tbackground: #F5F5F5;\n\tborder: 2px solid #D64958;\n\tcolor: #D64958;\n}\n.inputField-customizable {\n\twidth: 100%;\n\theight: 34px;\n\tcolor: #555;\n\tbackground-color: #fff;\n\tborder: 1px solid #ccc;\n\tborder-radius: 0px;\n}\n.inputField-customizable:focus {\n\tborder-color: #66afe9;\n\toutline: 0;\n}\n.idpButton-customizable {\n\theight: 40px;\n\twidth: 100%;\n\twidth: 100%;\n\ttext-align: center;\n\tmargin-bottom: 15px;\n\tcolor: #fff;\n\tbackground-color: #5bc0de;\n\tborder-color: #46b8da;\n}\n.idpButton-customizable:hover {\n\tcolor: #fff;\n\tbackground-color: #31b0d5;\n}\n.socialButton-customizable {\n\tborder-radius: 2px;\n\theight: 40px;\n\tmargin-bottom: 15px;\n\tpadding: 1px;\n\ttext-align: left;\n\twidth: 100%;\n}\n.redirect-customizable {\n\ttext-align: center;\n}\n.passwordCheck-notValid-customizable {\n\tcolor: #DF3312;\n}\n.passwordCheck-valid-customizable {\n\tcolor: #19BF00;\n}\n.background-customizable {\n\tbackground-color: #fff;\n}\n",
            "CSSVersion": "20250117005911"
        }
    }

For more information, see `Hosted UI (classic) branding <https://docs.aws.amazon.com/cognito/latest/developerguide/hosted-ui-classic-branding.html>`__ in the *Amazon Cognito Developer Guide*.
