.thread-subscribe-form {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin: 8px 0;
    width: 320px;
}

.thread-subscribe-form > div {
    align-self: stretch;
}

.subscribe-modal-header {
    border-bottom: 1px solid black;
    display: grid;
    grid-template-columns: 9fr 1fr;
    padding-bottom: 8px;
}

.subscribe-modal-title {
    flex-grow: 5;
    margin-right: 12px;
}