Formulario de inicio de sesión CSS animado

164 Codex7

Abrir en el editor Publica tu código

Formulario de inicio de sesión CSS animado

Recomendado

17 September 2024

Calculadora de fecha

12 January 2026

Cargador de juegos HTML: botón de inicio y emulador de NES

23 March 2025

Cartera de dinero

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Animated Login Form</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #03e9f4;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background: linear-gradient(#141e30, #243b55);
            overflow: hidden;
        }

.login-box {
            position: relative;
            width: 400px;
            padding: 40px;
            background: rgba(0, 0, 0, .5);
            box-sizing: border-box;
            box-shadow: 0 15px 25px rgba(0, 0, 0, .6);
            border-radius: 10px;
            animation: fadeIn 1.2s ease-in-out;
        }

@keyframes fadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

.login-box h2 {
            margin: 0 0 30px;
            padding: 0;
            color: #fff;
            text-align: center;
        }

.login-box .user-box {
            position: relative;
        }

.login-box .user-box input {
            width: 100%;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            margin-bottom: 30px;
            border: none;
            border-bottom: 1px solid #fff;
            outline: none;
            background: transparent;
            transition: 0.5s;
        }

.login-box .user-box label {
            position: absolute;
            top: 0;
            left: 0;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            pointer-events: none;
            transition: .5s;
        }

.login-box .user-box input:focus ~ label,
        .login-box .user-box input:valid ~ label {
            top: -20px;
            left: 0;
            color: #03e9f4;
            font-size: 12px;
        }

.login-box form button {
            position: relative;
            display: inline-block;
            padding: 10px 20px;
            color: #03e9f4;
            font-size: 16px;
            text-decoration: none;
            text-transform: uppercase;
            overflow: hidden;
            transition: .5s;
            margin-top: 40px;
            letter-spacing: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 100%;
        }

.login-box button:hover {
            background: #03e9f4;
            color: #fff;
            border-radius: 5px;
            box-shadow: 0 0 5px #03e9f4,
                        0 0 25px #03e9f4,
                        0 0 50px #03e9f4,
                        0 0 100px #03e9f4;
        }

.login-box button span {
            position: absolute;
            display: block;
        }

.login-box button span:nth-child(1) {
            top: 0;
            left: -100%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #03e9f4);
            animation: btn-anim1 1s linear infinite;
        }

@keyframes btn-anim1 {
            0% { left: -100%; }
            50%, 100% { left: 100%; }
        }

.login-box button span:nth-child(2) {
            top: -100%;
            right: 0;
            width: 2px;
            height: 100%;
            background: linear-gradient(180deg, transparent, #03e9f4);
            animation: btn-anim2 1s linear infinite;
            animation-delay: .25s;
        }

@keyframes btn-anim2 {
            0% { top: -100%; }
            50%, 100% { top: 100%; }
        }

.login-box button span:nth-child(3) {
            bottom: 0;
            right: -100%;
            width: 100%;
            height: 2px;
            background: linear-gradient(270deg, transparent, #03e9f4);
            animation: btn-anim3 1s linear infinite;
            animation-delay: .5s;
        }

@keyframes btn-anim3 {
            0% { right: -100%; }
            50%, 100% { right: 100%; }
        }

.login-box button span:nth-child(4) {
            bottom: -100%;
            left: 0;
            width: 2px;
            height: 100%;
            background: linear-gradient(360deg, transparent, #03e9f4);
            animation: btn-anim4 1s linear infinite;
            animation-delay: .75s;
        }

@keyframes btn-anim4 {
            0% { bottom: -100%; }
            50%, 100% { bottom: 100%; }
        }
    </style>
</head>
<body>

<div class="login-box">
        <h2>Login</h2>
        <form>
            <div class="user-box">
                <input type="text" name="username" required="">
                <label>Username</label>
            </div>
            <div class="user-box">
                <input type="password" name="password" required="">
                <label>Password</label>
            </div>
            <button type="submit">
                <span></span>
                <span></span>
                <span></span>
                <span></span>
                Submit
            </button>
        </form>
    </div>

</body>
</html>

CSS