Formulario de inicio de sesión HTML con fondo de matriz

1,925 tanohangeaime99

Remix Abrir en el editor Pantalla completa Comentar Publica tu código

Formulario de inicio de sesión HTML con fondo de matriz

Recomendado

23 August 2025

Estructura HTML del contenedor de animación CSS

11 May 2026

Iframe de juego incrustado: Cargador de juego HTML a pantalla completa

10 December 2025

Minijuego Pac-Man HTML Canvas JavaScript

HTML

CSS

@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');
*
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Quicksand', sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #000;
}
section {
    position: absolute;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2px;
    flex-wrap: wrap;
    overflow: hidden;
}

@keyframes animate {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

section span {
    position: relative;
    display: block;
    width: calc(6.25vw - 2px);
    height: calc(6.25vw - 2px);
    background: #181818;
    z-index: 2;
    transition: 1.5s;
}

section span:hover {
    background: #0f0;
    transition: 0s;
}

section .signin {
    position: absolute;
    width: 400px;
    background: #222;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    border-radius: 4px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.9);
}

section .signin .content {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 40px;
}
section .signin .content h2 {
    font-size: 2em;
    color: #0f0;
    text-transform: uppercase;
}

section .signin .content .form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

section .signin .content .form .inputBox {
    position: relative;
    width: 100%;
}

section .signin .content .form .inputBox input {
    position: relative;
    width: 100%;
    background: #333;
    border: none;
    outline: none;
    padding: 25px 10px 7.5px;
    border-radius: 4px;
    color: #fff;
    font-weight: 500;
    font-size: 1em;
}

section .signin .content .form .inputBox i {
    position: absolute;
    left: 0;
    padding: 15px 10px;
    font-style: normal;
    color: #aaa;
    transition: 0.5s;
    pointer-events: none;
}

.signin .content .form .inputBox input:focus ~ i,
.signin .content .form .inputBox input:valid ~ i {
    transform: translateY(-7.5px);
    font-size: 0.8em;
    color: #fff;
}

.signin .content .form .links {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.signin .content .form .links a {
    color: #fff;
    text-decoration: none;
}

.signin .content .form .links a:nth-child(2) {
    color: #0f0;
    font-weight: 600;
}

.signin .content .form .inputBox input[type="submit"] {
    padding: 10px;
    background: #0f0;
    color: #000;
    font-weight: 600;
    font-size: 1.35em;
    letter-spacing: 0.05em;
    cursor: pointer;
}

input[type="submit"]:active {
    opacity: 0.6;
}

@media (max-width: 900px) {
    section span {
        width: calc(10vw - 2px);
        height: calc(10vw - 2px);
    }
}

@media (max-width: 600px) {
    section span {
        width: calc(20vw - 2px);
        height: calc(20vw - 2px);
    }
}