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

:root {
    --bg-img: ;
}

body {
    background-image: var(--bg-img);
    /* não repetir */
    background-repeat: no-repeat;
    /* cobre toda a tela */
    background-size: cover;
    /* centraliza */
    background-position: center;
    display: flex;
    flex-direction: column;
    height: 100dvh;
    width: 100dvw;
    justify-content: center;
    align-items: center;
    gap: 50px;
    transition: background-image 0.1s ease-in-out; /* transição suave */
}

.container-text {
    display: flex;
    width: 300px;
    height: 50px;
}

.container-text input {
    flex-grow: 1;
    font-size: larger;
    text-align: center;
}

.container-button {
    display: flex;
    width: 100%;
    height: 42px;
    justify-content: center;
    align-items: center;
    gap: 50px;
}

.container-button button {
    height: 100%;
    width: 150px;
}