html {
    height: 100%;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}
#centerbox {
    display: flex;
    flex-direction: column;
}
#centerbox h1 {
    text-align: center;
}
#centerbox form {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

#messages {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 15px;
}
#messages .message {
    border: 1px solid var(--col-fg-4);
    padding: 5px 10px;
    background-color: var(--col-bg-2);
    margin-top: 10px;
    margin-bottom: 10px;
    box-shadow: 3px 3px 5px #00000022;
    border-radius: 5px 5px 5px 5px;
    border-left: 4px solid var(--col-yellow);
}