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Getting Started

  • How to Install Fluent Forms
  • Upgrade to Fluent Forms Pro Add-on
  • Fluent Forms Glossary
  • Getting Started With Fluent Forms
  • Fluent Forms User Interface

Form Building

  • Manage Entries
    • Edit User Submitted Entries With Fluent Forms
    • Visual Representation of Form Entries in Fluent Forms
    • Managing Entries in Fluent Forms
  • Form Settings
    • Error Message Customization with Fluent Forms
    • User Login Requirement in Fluent Forms
    • Restrict Blank Form Submission with Fluent Forms
    • Help Message Customization in Fluent Forms
  • Publishing Form
    • How to embed your forms directly in Gutenberg layout
    • Dedicated Landing Page in Fluent Forms
    • How to Use Your Forms as Widget on your Sidebar or Footer
    • How to embed your forms using Elementor Widget
    • Fluent Forms with Oxygen Builder Widget
  • Form Style/Template
    • Modal/Popup/Lightbox in Fluent Forms
    • Fluent Forms Styling/Custom CSS
    • Official Form Styler of Fluent Forms
    • Form Layout Settings in Fluent Forms
  • Form Editor
    • How to Create a Form with Fluent Forms
    • Using and Customizing Pre-built Quick Forms in Fluent Forms
    • How to create a conversational form 
    • How to Design a Conversational Form 
    • How to Create a Form with OpenAI ChatGPT
    • How to Create a Form with Fluent Forms AI

Field Types

  • General Fields
    • Address Input Field in Fluent Forms
    • Name Input Field in Fluent Forms
    • CheckBox Field in Fluent Forms
    • Phone/Mobile Input Field in Fluent Forms
    • Dropdown Field in Fluent Forms
    • Email Address Input Field in Fluent Forms
    • Custom HTML Field in Fluent Forms
    • File Upload Input Field in Fluent Forms
    • Image Upload Input Field in Fluent Form
    • Multiple Choice Field in Fluent Forms
    • Numeric Input Field in Fluent Forms
    • Radio Field in Fluent Forms
    • Adding a Mask Input Field Guide
    • Adding a Simple Text Input Field
    • Adding a Text Area Input Field
    • Website URL Input Field Guide
    • Time & Date Input Field in Fluent Forms
    • Country List Field in Fluent Form
  • Advance Fields
    • Creating a Multi-Step Form in Fluent Forms  
    • hCaptcha in Fluent Forms
    • Hidden Input Field in Fluent Forms
    • Ratings Input Field in Fluent Forms
    • reCAPTCHA Field in Fluent Forms
    • Section Break in Fluent Forms
    • Terms & Conditions Field in Fluent Forms
    • Shortcode Input Field in Fluent Forms
    • Action Hook Field in Fluent Forms
    • Checkable Grid Input Field in Fluent Forms
    • GDPR Agreement Field in Fluent Forms
    • Password Input Field in Fluent Forms
    • Custom Submit Button in Fluent Forms
    • Range Slider Field in Fluent Forms
    • Net Promoter Score in Fluent Forms
    • Chained Select Field in Fluent Forms
    • Color Picker Field in Fluent Forms
    • Repeat Input Field in Fluent Forms
    • Rich Text Input Field in Fluent Forms
    • Save Progress Button in Fluent Forms
    • Quiz Score in Fluent Forms
    • Dynamic Field in Fluent Form  
    • FluentBooking Field in Fluent Form
  • Payment Fields
    • Add Subscription Field in Payment Forms 
    • Add Coupon Field in Payment Forms  
    • Add Payment Item Field in Payment Forms 
    • Add Payment Summary Field in Payment Forms 
    • Add Item Quantity Field in Payment Forms 
    • Add Custom Payment Amount Field in Payment Forms 
    • Add Payment Method Field in Payment Forms 
  • Container Fields
    • Add Container Fields in Fluent Forms
    • Add Repeat Container Field in Fluent Forms 
  • Post Fields
    • Add Post Title Field in Post Forms 
    • Add Post Content Field in Post Forms
    • Add Featured Image Field in Post Forms 
    • Add Post Excerpt Field in Post Forms 
    • How to Create a Post Form with Fluent Forms
    • Add Post Update Field in Post Forms
  • Taxonomy Fields
    • Add Categories Taxonomy Field in Post Forms
    • Add Tags Taxonomy Field in Post Forms

Form Notification

  • Conditional Email Notification in Fluent Forms
  • Conditional Email Routing 
  • How to Setup Admin/User Email Notifications  
  • Weekly Email Summary
  • Setup Form Submission Confirmation Message in Fluent Forms
  • Fluent Forms Not Sending Email Confirmations

Form Entries

  • How to Search and Filter Form Entries
  • How to Add a Date and Time Stamp to Form Entries
  • Partial Entries for Step Forms

Features and Functionalities

  • Conditional Confirmation Message in Fluent Forms
  • Unique Field Validation
  • Surveys and Polls in Fluent Forms
  • Set up Forms with Conditional Logic in Fluent Forms
  • Set up Double Opt-in emails in Fluent Forms
  • Inline Opt-in Form using Fluent Forms
  • Form Scheduling Feature in Fluent Forms
  • Form Restrictions Feature in Fluent Forms
  • Fluent Forms Quiz Module
  • Dynamic Default Value in Fluent Forms
  • How to use Meta Box Custom Fields with Fluent Forms
  • How to Create a WordPress User Registration Form With Fluent Forms
  • Post Selection Module in Fluent Forms
  • How to add Calc Values on the Repeat Field
  • Edit History Feature in Fluent Forms
  • Keyboard Navigation & Shortcuts in Fluent Forms
  • Use ACF to Add a Custom Field in the Post Form
  • Numeric Calculation in Fluent Forms
  • Admin Approval Feature in Fluent Forms
  • Global Inventory Manager in Fluent Forms
  • Fluent Forms Inventory Module
  • Creating a Personality Quiz Form in Fluent Forms
  • How to Create a WordPress User Update Form With Fluent Forms
  • Resizeable Container in Fluent Forms
  • Dynamic Input Values In Form Steps | Fluent Forms
  • Using JetEngine Custom Fields with Fluent Forms
  • Fluent Forms PDF Module
  • Mapping Meta Fields with Meta Keys in Fluent Forms
  • Set Default Form Value from URL Parameters

Integrations

  • Email Marketing
    • How to Integrate ActiveCampaign with Fluent Forms
    • How to Integrate CleverReach with Fluent Forms
    • How to Integrate iContact with Fluent Forms
    • How to Integrate Kit (Former ConvertKit) with Fluent Forms
    • How to Integrate GetResponse with Fluent Forms  
    • How to Integrate Mailchimp with Fluent Forms  
    • How to Integrate MailerLite with Fluent Forms
    • Mailpoet Integration with Fluent Forms
    • Mautic Integration with Fluent Forms
    • How to Integrate Gist with Fluent Forms
    • How to Integrate MooSend with Fluent Forms
    • How to Integrate Brevo (Formerly Sendinblue) with Fluent Forms  
    • How to Integrate Constant Contact with Fluent Forms 
    • ClickSend SMS Integration with Fluent Forms
    • Automizy Integration with Fluent Forms
    • How to Integrate Mailjet with Fluent Forms
    • How to Integrate Mailster with Fluent Forms 
    • How to Integrate SendFox with Fluent Forms
    • How to Integrate Campaign Monitor with Fluent Forms
  • CRM
    • AmoCRM Integration with Fluent Forms
    • Salesflare Integration with Fluent Forms
    • Pipedrive Integration with Fluent Forms
    • OnePageCRM Integration with Fluent Forms
    • Drip Integration with Fluent Forms
    • Zoho CRM Integration with Fluent Forms
    • FluentCRM integration with Fluent Forms
    • HubSpot Integration with Fluent Forms
    • Salesforce Integration with Fluent Forms
  • Automation
    • How to Integrate Webhook with Fluent Forms
    • How to Integrate Zapier with Fluent Forms
    • How to Integrate Platformly with Fluent Forms 
  • Notification
    • How to Integrate Telegram with Fluent Forms
    • How to Integrate Discord with Fluent Forms
    • How to Integrate Slack with Fluent Forms
  • Security
    • Spam Protection With Honeypot and Google reCAPTCHA in Fluent Forms
    • How to Integrate reCAPTCHA with Fluent Forms
    • How to Integrate hCaptcha with Fluent Forms
    • How to Integrate Cloudflare Turnstile with Fluent Forms
    • Integrate Akismet with Fluent Forms
  • Others
    • How to Integrate Google Sheets with Fluent Forms
    • How to Integrate Trello with Fluent Forms 
    • Twilio Integration with Fluent Forms
    • How to Integrate Airtable with Fluent Forms
    • How to Integrate BuddyBoss with Fluent Forms  
    • How to Integrate Notion with Fluent Forms    
    • How to Integrate Google Maps with Fluent Forms
    • How to Integrate OpenAI ChatGPT with Fluent Forms

Import/Export

  • Fluent Forms Migrator (WPForms, Contact Form 7, Gravity Forms, Ninja Forms & Caldera Forms)
  • How to Import and Export Fluent Forms
  • Importing Entries in Fluent Forms

Payment

  • Configure Payment Settings with Fluent Forms
  • How to Create a Payment Form with Fluent Form
  • Payment Integration
    • How to Integrate Square with Fluent Forms (Inline Payment Integration)
    • How to Integrate Stripe with Fluent Forms
    • How to Integrate PayPal with Fluent Forms
    • How to Integrate Razorpay with Fluent Forms
    • How to Integrate Mollie with Fluent Forms
    • How to Integrate Paystack with Fluent Forms
    • How to Integrate Paddle with Fluent Forms

Account Management

  • Setting up Managers in Fluent Forms (Access Control)

Shortcode

  • Form Editor Smart Codes
  • Conditional Shortcodes in Fluent Forms
  • Fluent Forms Shortcodes Overview
  • Shortcodes in Confirmation Settings
  • Pre-Fill Form Fields with FluentCRM Data
View Categories
  • Home
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  • Form Building
  • Form Style/Template
  • Fluent Forms Styling/Custom CSS

Fluent Forms Styling/Custom CSS

Fluent Forms lets you easily style your forms using custom CSS and JavaScript. Whether it’s adjusting buttons, fonts, or input fields, you have full control over how your forms look and behave.

In this guide, you’ll learn how to apply custom CSS and JavaScript to your Fluent Forms.

Accessing Custom CSS/JS Settings #

Go to Forms from the top menu and open the Editor page of your desired form by clicking the Edit button.

Form Edit 1 scaled 46018

In the Settings & Integrations tab (top right of the editor), select Custom CSS/JS. You’ll see a field for adding custom CSS, along with your form’s unique class (e.g. .fluent_form_40)

02 5 scaled 46018

Using the Unique Form Class #

Each form is assigned a unique CSS class ( fluent_form_40), which is displayed in the Custom CSS section. Use this to apply styles to a specific form without affecting others.

Example:
.fluent_form_40 .ff_submit_btn {
    background-color: #0073e6;
    color: white;
    border-radius: 5px;
}

Customization Examples #

Please note that you need to replace the ‘.fluent_form_149’ from the code with your own form’s unique class.

Here are some styling ideas you can apply to your form using CSS:

Submit Button Styling: Change the button’s background color, border, or hover effects.

/* Change button style*/
form.fluent_form_149 .ff-btn-submit {
    background-color: #000000; /* change button background color */
    color: #ffffff; /*change button font color*/
    border-radius: 10px; /*change button round corners*/
    
}

/*Change button hover style*/
form.fluent_form_149 .ff-btn-submit:hover {
    background-color: #ff0606; /*change button background color on hover*/
    color: #000000; /*change button font color on hover*/
}

Input Fields Styling: Customize text boxes, dropdowns, or radio buttons.

/*input style*/
form.fluent_form_149 .ff-el-form-control{
    padding: 6px 12px;  /*change padding*/
    background-color: #fff; /*change background color*/
    border: 1px solid #ced4da; /*change border width and color*/
    border-radius: 10px; /*change corner round/ border radius*/
}

Font styles: Modify fonts to match your website’s branding.

form.fluent_form_149 .ff-el-form-control {
    font-size: 16px; /*change font size*/
    line-height: 1.5; /*change line height*/
    color: #495057; /*change font color*/
}

Label styles:  Modify labels to match your website’s branding.

/*Change label styles*/
form.fluent_form_149 .ff-el-input--label{
    font-size:22px; /*change label font size*/
    color:red; /*change label color*/
}

Input Focus Color: Highlight input fields when focused.

/*Change input border color when input is selected/focused */
.ff-el-form-control:focus {
    border-color:red; 
    outline: none;
    -webkit-box-shadow: 0 0 0 3px rgba(255, 0, 129, 0.25);
    box-shadow: 0 0 0 3px rgba(255, 0, 129, 0.25);
}

Step Button and Rating: Redesign multi-step navigation buttons and rating stars.

/* Change Rating Star Color */
form.fluent_form_149 .ff-el-ratings label.active svg {
    fill: red;
}

If you repeatedly get bored with the Step Button style, you can change that too.

/*Change Step button styles*/
form.fluent_form_149 .step-nav button{
    background-color: #000000; /* change step button background color */
    color: #ffffff; /*change step button font color*/
    border-radius: 10px; /*change step button round corners*/
}


/*Change Step button styles on hover*/
form.fluent_form_149 .step-nav button:hover{
    background-color: #ff0606; /*change step button background color on hover*/
    color: #000000; /*change step button font color on hover*/
}

After adding your custom styles, click the Save Settings button, and then preview your form on the front end to see the changes live.

If you have any further questions, concerns, or suggestions, please do not hesitate to contact our support team.

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Updated on June 3, 2025
Modal/Popup/Lightbox in Fluent FormsOfficial Form Styler of Fluent Forms

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Table of Contents
  • Accessing Custom CSS/JS Settings
    • Using the Unique Form Class
  • Customization Examples

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