Aura Slide Hover Button - Free UI Component

Base Background #1e293b

Slide Color #818cf8

Initial Text #ffffff

Hover Text #ffffff

Button Label Slide to Start

Rounding (px) 8

Vertical Padding (rem) 1

Horizontal Padding (rem) 3

Font Size (rem) 1.1

Aura Slide Hover Button

A satisfying kinetic interaction button where a solid background slides into focus on hover. Perfect for active interface elements and high-engagement areas.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Slide Hover Button</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap" rel="stylesheet">
    <style>
        /* -- Variables ------------------------------------------------- */
        :root {
            --bg: {{baseBg}};                    /* Base Surface */
            --slide: {{slideColor}};             /* Slide Overlay */
            --text-init: {{textColor}};          /* Initial Text */
            --text-hover: {{hoverTextColor}};    /* Hover Text */
            --radius: {{borderRadius}}px;        /* Corner Style */
            --v-pad: {{vPadding}}rem;            /* Vertical Balance */
            --h-pad: {{hPadding}}rem;            /* Horizontal Balance */
            --font-size: {{fontSize}}rem;        /* Typography Size */
            --page-bg: #0f172a;
        }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--page-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }

/* -- Button Implementation --------------------------------------- */
        .btn-slide {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: var(--v-pad) var(--h-pad);
            font-size: var(--font-size);
            font-weight: 700;
            color: var(--text-init);
            background-color: var(--bg);
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            text-decoration: none;
            transition: color 0.4s ease;
            letter-spacing: -0.01em;
            outline: none;
            overflow: hidden;
            z-index: 1;
            
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }

/* Slide Element */
        .btn-slide::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 0; height: 100%;
            background-color: var(--slide);
            transition: width 0.4s cubic-bezier(0.8, 0, 0.2, 1);
            z-index: -1;
        }

/* Hover Dynamics */
        .btn-slide:hover {
            color: var(--text-hover);
        }