.wp-block-mrlg-block-mrlg-collapsible-text button {
    display: block;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    font-weight: 600;
}

.wp-block-mrlg-block-mrlg-collapsible-text .collapsible-content {
    display: none;
    padding-top: 10px;
}

.wp-block-mrlg-block-mrlg-collapsible-text .collapsible-content {
    font-size: 14px;
}

.wp-block-mrlg-block-mrlg-collapsible-text button.active + .collapsible-content {
    display: block;
}