```css
/* styles.css – replicate the mdframed colours */
.tmp {
}

.block {
  background-color: #f2edda; /* col1 biege */
    padding: 1rem;
  border-radius: .3rem;
  margin: 1rem 0;   
}

.block2 {
  background-color: #ededed; /* col2 grey */
    padding: 1rem;
  border-radius: .3rem;
  margin: 1rem 0;   
}

.block3 {
  background-color: #a7ebff; /* col3 light-blue */
    padding: 1rem;
  border-radius: .3rem;
  margin: 1rem 0;  
}