html,
body {
    margin: 0;
    padding: 0;
    border: 0;
}

body {
    font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans","Liberation Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";    font-size: large;
    font-weight: bold;
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url("https://images.unsplash.com/photo-1494976388531-d1058494cdd8?q=80&w=1470&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: white;
    height: 100%;
    width: 100%;
}

main form {
    height: 60%;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
}

main form input {
    color: white;
    font-size: larger;
    width: 100%;
    height: 1.5rem;
    border: none;
    background-color: transparent;
    border-bottom: 1px solid white;
    margin: 0.5rem 0;
}

main button {
    font-size: medium;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 2.5rem;
    width: 15rem;
    display: flex;
    background-color: black;
    color: white;
    border: 2px solid white;
    border-radius: 20px;
    margin: 1rem;
    cursor: pointer;
}

main button:hover {
    background-color: white;
    color: black;
}

main div a {
    font-size: smaller;
    color: white;
    text-decoration: none;
}

main div a:hover {
    text-decoration: underline;
}



#btn-flash {
  display: none;
}