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

:root{
    --bg-img: url(./img/principal.jpg);
}

body {
    background-image: var(--bg-img);
    background-size: cover;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;   
    font-family: Arial, sans-serif;
}

.container{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    align-items: start;
    padding-left: 150px;
    transition: 0.5s;
    width: 550px;
}

h1 {
    color: white;
    margin-bottom: 5px;
    font-size: 2rem;
    text-shadow: 2px 2px 8px black;
}

.container-input input {
    font-size: 1rem;
    text-align: center;
    height: 2.4rem;
    width: 305px;
    border: 2px solid rgb(187, 157, 248);
    border-radius: 8px;
}

.container-button button {
    padding-block: 8px;
    width: 150px;
    background-color: rgb(177, 105, 240);
    border: 2px solid rgb(187, 105, 240);
    border-radius: 8px;
}

@keyframes slider {
    0%, 20% {
        background-image: url(./img/pantera-negra.jpg);
    }
    21%, 40% {
        background-image: url(./img/viuva-negra.jpg);
    }
    41%, 60% {
        background-image: url(./img/homem-de-ferro.jpg);
    }
    61%, 80% {
        background-image: url(./img/thor.jpg);
    }
    81%, 100% {
        background-image: url(./img/doutor-estranho.jpg);
    }
}

@keyframes fade {
    0% {
        opacity: 0;
    }
    15%, 85% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}