#panel {
    margin: 1em auto;
    padding: 1em;
    background-color: #9d292330;
    border-radius: 1em;
    width: 60ch;
    max-width: 100%;
}
input, textarea, select {
    margin-bottom: 0.5em;
    width: 100%;
}
h2 {
    width: fit-content;
}