.admin-icon-input-row {
    display: grid;
    grid-template-columns: minmax(0,1fr) 43px;
    gap: 8px;
    align-items: stretch
}

    .admin-icon-input-row > input {
        min-width: 0
    }

.admin-icon-preview {
    width: 43px;
    height: 43px;
    border: 1px solid #9eaaa6;
    background: var(--paper);
    display: grid;
    place-items: center;
    padding: 3px
}

    .admin-icon-preview img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: contain
    }