Ghost/ghost/admin/app/components/gh-brand-settings-form.hbs

<div class="gh-stack" ...attributes>
    <div class="gh-stack-item gh-setting-first gh-accent-color">
        <div class="gh-setting-content">
            <div class="gh-setting-title">Accent color</div>
            <div class="gh-setting-desc">Primary color used in your publication theme</div>
            {{#each uploader.errors as |error|}}
                <div class="gh-setting-error" data-test-error="icon">{{or error.context error.message}}</div>
            {{/each}}
            <div class="w-100 flex flex-column flex-row-ns">
                <GhErrorMessage @errors={{settings.errors}} @property="accentColor" class="w-100 red"/>
            </div>
        </div>

        <div class="gh-setting-action" data-test-setting="accentColor">
            <GhFormGroup
                @errors={{this.settings.errors}}
                @hasValidated={{this.settings.hasValidated}}
                @property="accentColor"
                @class="input-color-form-group"
            >
                <div class="input-color">
                    <input
                        type="text"
                        placeholder="15171A"
                        name="accent-color"
                        autocorrect="off"
                        maxlength="6"
                        value={{this.accentColor}}
                        class="gh-input"
                        {{on "input" (perform this.debounceUpdateAccentColor)}}
                        {{on "blur" this.updateAccentColor}}
                        {{on-key "Enter" this.blurElement}}
                        data-test-input="accentColor"
                    />
                    <div class="color-picker-horizontal-divider"></div>
                    <div
                        class="color-box-container"
                        style={{this.accentColorBgStlye}}
                    >
                        <input
                            type="color"
                            name="accent-color"
                            class="color-picker"
                            value="{{this.accentColorPickerValue}}"
                            {{on "input" (perform this.debounceUpdateAccentColor)}}
                        >
                    </div>
                </div>
            </GhFormGroup>
        </div>
    </div>

    <div class="gh-stack-item gh-setting" data-test-setting="icon">
        <GhUploader
            @extensions={{this.iconExtensions}}
            @paramsHash={{hash purpose="icon"}}
            @onComplete={{fn this.imageUploaded "icon"}}
            as |uploader|
        >
        <div class="gh-setting-content">
            <div class="gh-setting-title">Publication icon</div>
            <div class="gh-setting-desc">A square, social icon used in the UI of your publication, at least 60x60px</div>
            {{#each uploader.errors as |error|}}
                <div class="gh-setting-error" data-test-error="icon">{{or error.context error.message}}</div>
            {{/each}}
        </div>
        <div class="gh-setting-action gh-uploadbutton-container gh-setting-action-smallimg flex flex-column">
            {{#if uploader.isUploading}}
                {{uploader.progressBar}}
            {{else if this.settings.icon}}
                <div class="gh-branding-image-container transparent-bg">
                    <img class="blog-icon" src="{{this.settings.icon}}" {{on "click" this.triggerFileDialog}} alt="icon" data-test-icon-img>
                    <button type="button" class="gh-setting-action-smallimg-delete" {{on "click" (fn this.removeImage "icon")}} data-test-delete-image="icon">
                        {{svg-jar "trash" class="w4 h4 fill-white"}}
                    </button>
                </div>
            {{else}}
                <button type="button" class="gh-btn self-center" {{on "click" triggerFileDialog}} data-test-image-upload-btn="icon">
                    <span>Upload icon</span>
                </button>
            {{/if}}
            <div style="display:none">
                <GhFileInput @multiple={{false}} @action={{uploader.setFiles}} @accept={{this.iconMimeTypes}} data-test-file-input="icon" />
            </div>
        </div>
        </GhUploader>
    </div>

    <div class="gh-stack-item gh-setting" data-test-setting="logo">
        <GhUploader
            @extensions={{this.imageExtensions}}
            @onComplete={{fn this.imageUploaded "logo"}}
            as |uploader|
        >
        <div>
            <div class="gh-setting-title">Publication logo</div>
            <div class="gh-setting-desc mb3">The primary logo for your brand displayed across your theme, should be transparent and at least 600px x 72px</div>

            <div class="gh-setting-action gh-uploadbutton-container gh-setting-action-smallimg flex flex-column">
                {{#each uploader.errors as |error|}}
                    <div class="gh-setting-error" data-test-error="logo">{{or error.context error.message}}</div>
                {{/each}}
                {{#if uploader.isUploading}}
                    {{uploader.progressBar}}
                {{else if this.settings.logo}}
                    <div class="gh-branding-image-container largeimg justify-center transparent-bg">
                        <img class="blog-logo" src="{{this.settings.logo}}" {{on "click" this.triggerFileDialog}} alt="logo" data-test-logo-img>
                        <button type="button" class="gh-setting-action-smallimg-delete" {{on "click" (fn this.removeImage "logo")}} data-test-delete-image="logo">
                            {{svg-jar "trash" class="w4 h4 fill-white"}}
                        </button>
                    </div>
                {{else}}
                    <button type="button" class="gh-btn self-start" {{on "click" this.triggerFileDialog}} data-test-image-upload-btn="logo">
                        <span>Upload logo</span>
                    </button>
                {{/if}}
                <div style="display:none">
                    <GhFileInput @multiple={{false}} @action={{uploader.setFiles}} @accept={{this.imageMimeTypes}} data-test-file-input="logo" />
                </div>
            </div>
        </div>
        </GhUploader>
    </div>

    <div class="gh-stack-item gh-setting" data-test-setting="coverImage">
        <GhUploader
            @extensions={{this.imageExtensions}}
            @onComplete={{fn this.imageUploaded "coverImage"}}
            as |uploader|
        >
        <div>
            <div class="gh-setting-title">Publication cover</div>
            <div class="gh-setting-desc mb3">An optional large background image for your site</div>
            {{#each uploader.errors as |error|}}
                <div class="gh-setting-error" data-test-error="coverImage">{{or error.context error.message}}</div>
            {{/each}}

            <div class="gh-setting-action gh-uploadbutton-container flex flex-column items-stretch">
                {{#if uploader.isUploading}}
                    {{uploader.progressBar}}
                {{else if this.settings.coverImage}}
                    <div class="gh-branding-image-container largeimg justify-start">
                        <img class="blog-cover" src="{{this.settings.coverImage}}" {{on "click" this.triggerFileDialog}} alt="cover photo" data-test-cover-img>
                        <button type="button" class="gh-setting-action-largeimg-delete" {{on "click" (fn this.removeImage "coverImage")}} data-test-delete-image="coverImage">
                            {{svg-jar "trash" class="w4 h4 fill-white"}}
                        </button>
                    </div>
                {{else}}
                    <button type="button" class="gh-btn self-start" {{on "click" this.triggerFileDialog}} data-test-image-upload-btn="coverImage">
                        <span>Upload cover</span>
                    </button>
                {{/if}}
                <div style="display:none">
                    <GhFileInput @multiple={{false}} @action={{uploader.setFiles}} @accept={{this.imageMimeTypes}} data-test-file-input="coverImage" />
                </div>
            </div>
        </div>
        </GhUploader>
    </div>
</div>