body {
    padding: 0rem;
}

form.login {
    display: block;
    max-width: 33svw;
    margin: 0.1rem 0.1rem 0rem 0.1rem;
}

form.login > * {
    max-width: 100%;
}

form.login > :first-child {
    margin-top: 0rem;
}

form.login > :last-child {
    margin-bottom: 0rem;
}

.chatbox {
    width: 100%;
    height: calc(100svh - 0.2rem);
}

iframe[src="/fastchat/send_message.html"] {
    width: 100%;
    max-height: 1.6lh;
}

iframe[src="/fastchat/chatbox"] {
    width: 100%;
    height: calc(100% - 1.6lh - 0.5lh);
    overflow-y: auto;
}