.postController {
    display: flex;
    justify-content: center;
    align-items: center;
}

.postController > * {
    flex-grow: 1;
}
.postController > div {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--input_margin);
    padding: var(--input_padding);
}