Brutal · Sign-in theme
Brutal
Neo-brutalism: thick black outlines, hard offset shadows and a loud accent on a dotted page; the button presses in when you hover it. Pick a bright accent, the text on it stays black. CSS only, so organization admins can install it.

What it sets
| Theme | default |
|---|---|
| Border radius | 0px |
| Form position | Center |
| Custom CSS | Yes |
| Custom CSS Mobile | Yes |
Everything is on the application's UI Customization tab in Casdoor, so you can keep adjusting it after applying the theme.
Apply it to an application
- Enter the application below, adjust the theme's settings, and copy the JSON.
- In the Casdoor console, open Applications, edit that application, click Import JSON at the top, paste the JSON and click OK.
- Click Save. The sign-in page uses the theme from the next visit.
{
"name": "<application name>",
"organization": "<organization>",
"themeData": {
"themeType": "default",
"colorPrimary": "#000000",
"borderRadius": 0,
"isCompact": false,
"isEnabled": true
},
"formOffset": 2,
"formCss": "<style>\n.login-background {\n color-scheme: light;\n --background: 45 100% 96%;\n --foreground: 0 0% 0%;\n --card: 0 0% 100%;\n --card-foreground: 0 0% 0%;\n --popover: 0 0% 100%;\n --popover-foreground: 0 0% 0%;\n --muted: 45 60% 92%;\n --muted-foreground: 0 0% 15%;\n --accent: 45 60% 92%;\n --accent-foreground: 0 0% 0%;\n --border: 0 0% 0%;\n --input: 0 0% 0%;\n --ring: 0 0% 0%;\n font-family: 'Space Grotesk', 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;\n background-color: #fff3d6;\n background-image: radial-gradient(#000000 1.2px, transparent 1.3px);\n background-size: 22px 22px;\n}\n.login-content > div {\n max-width: 440px;\n}\n.login-panel {\n border: 3px solid #000000;\n border-radius: 0;\n background: #ffffff;\n box-shadow: 10px 10px 0 #000000;\n}\n.login-background > div:first-of-type button {\n color: #000000;\n}\n.signin-methods > div {\n height: auto;\n padding: 0;\n border: none;\n background: transparent;\n overflow: visible;\n}\n.signin-methods [role='tablist'] {\n gap: 8px;\n overflow: visible;\n}\n.signin-methods [role='tab'] {\n flex: none !important;\n padding: 4px 10px;\n border: 2px solid #000000;\n border-radius: 0;\n background: #ffffff !important;\n color: #000000;\n font-weight: 700;\n box-shadow: 2px 2px 0 #000000 !important;\n}\n.signin-methods [role='tab'][data-state='active'] {\n background: #ffd23f !important;\n}\n.login-form label {\n color: #000000;\n font-size: 13px;\n font-weight: 800;\n letter-spacing: 0.04em;\n text-transform: uppercase;\n}\n.login-form input:not([type='checkbox']):not([type='radio']) {\n height: 46px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffffff;\n color: #000000;\n font-weight: 600;\n box-shadow: 4px 4px 0 #000000;\n transition: transform 0.08s, box-shadow 0.08s;\n}\n.login-form input:not([type='checkbox']):not([type='radio']):focus {\n outline: none;\n background: #ffffff;\n box-shadow: 6px 6px 0 #ffd23f, 6px 6px 0 2.5px #000000;\n transform: translate(-2px, -2px);\n}\n.login-form [role='checkbox'] {\n width: 20px;\n height: 20px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffffff;\n}\n.login-form [role='checkbox'][data-state='checked'] {\n background: #ffd23f;\n color: #000000;\n}\n.login-form a {\n color: #000000;\n font-weight: 800;\n text-decoration: underline;\n text-decoration-thickness: 3px;\n text-decoration-color: #ffd23f;\n text-underline-offset: 3px;\n}\n.login-form .login-button {\n height: 52px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffd23f;\n color: #000000;\n font-size: 16px;\n font-weight: 800;\n letter-spacing: 0.04em;\n text-transform: uppercase;\n box-shadow: 5px 5px 0 #000000;\n transition: transform 0.08s, box-shadow 0.08s;\n}\n.login-form .login-button:hover {\n background: #ffd23f;\n box-shadow: 2px 2px 0 #000000;\n transform: translate(3px, 3px);\n}\n#footer {\n color: #000000;\n font-weight: 600;\n}\n.login-form .login-forget-password {\n width: 100%;\n}\n</style>",
"formCssMobile": "<style>\n.login-background {\n color-scheme: light;\n --background: 45 100% 96%;\n --foreground: 0 0% 0%;\n --card: 0 0% 100%;\n --card-foreground: 0 0% 0%;\n --popover: 0 0% 100%;\n --popover-foreground: 0 0% 0%;\n --muted: 45 60% 92%;\n --muted-foreground: 0 0% 15%;\n --accent: 45 60% 92%;\n --accent-foreground: 0 0% 0%;\n --border: 0 0% 0%;\n --input: 0 0% 0%;\n --ring: 0 0% 0%;\n font-family: 'Space Grotesk', 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;\n background-color: #fff3d6;\n background-image: radial-gradient(#000000 1.2px, transparent 1.3px);\n background-size: 22px 22px;\n}\n.login-content {\n padding-left: 14px;\n padding-right: 22px;\n}\n.login-background .login-content .login-panel.login-panel-bleed,\n.login-panel {\n padding-top: 24px;\n padding-bottom: 4px;\n border: 3px solid #000000;\n border-radius: 0;\n background: #ffffff;\n box-shadow: 7px 7px 0 #000000;\n}\n.login-background > div:first-of-type button {\n color: #000000;\n}\n.signin-methods > div {\n height: auto;\n padding: 0;\n border: none;\n background: transparent;\n overflow: visible;\n}\n.signin-methods [role='tablist'] {\n gap: 8px;\n overflow: visible;\n}\n.signin-methods [role='tab'] {\n flex: none !important;\n padding: 4px 10px;\n border: 2px solid #000000;\n border-radius: 0;\n background: #ffffff !important;\n color: #000000;\n font-weight: 700;\n box-shadow: 2px 2px 0 #000000 !important;\n}\n.signin-methods [role='tab'][data-state='active'] {\n background: #ffd23f !important;\n}\n.login-form label {\n color: #000000;\n font-size: 13px;\n font-weight: 800;\n letter-spacing: 0.04em;\n text-transform: uppercase;\n}\n.login-form input:not([type='checkbox']):not([type='radio']) {\n height: 46px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffffff;\n color: #000000;\n font-weight: 600;\n box-shadow: 4px 4px 0 #000000;\n transition: transform 0.08s, box-shadow 0.08s;\n}\n.login-form input:not([type='checkbox']):not([type='radio']):focus {\n outline: none;\n background: #ffffff;\n box-shadow: 6px 6px 0 #ffd23f, 6px 6px 0 2.5px #000000;\n transform: translate(-2px, -2px);\n}\n.login-form [role='checkbox'] {\n width: 20px;\n height: 20px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffffff;\n}\n.login-form [role='checkbox'][data-state='checked'] {\n background: #ffd23f;\n color: #000000;\n}\n.login-form a {\n color: #000000;\n font-weight: 800;\n text-decoration: underline;\n text-decoration-thickness: 3px;\n text-decoration-color: #ffd23f;\n text-underline-offset: 3px;\n}\n.login-form .login-button {\n height: 52px;\n border: 2.5px solid #000000;\n border-radius: 0;\n background: #ffd23f;\n color: #000000;\n font-size: 16px;\n font-weight: 800;\n letter-spacing: 0.04em;\n text-transform: uppercase;\n box-shadow: 5px 5px 0 #000000;\n transition: transform 0.08s, box-shadow 0.08s;\n}\n.login-form .login-button:hover {\n background: #ffd23f;\n box-shadow: 2px 2px 0 #000000;\n transform: translate(3px, 3px);\n}\n#footer {\n color: #000000;\n font-weight: 600;\n}\n.login-form .login-forget-password {\n width: 100%;\n}\n</style>"
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