.graphs {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 2%;
  }
  
  .graph-usd,
  .graph-eur {
    height: 250px;
  }
  
  h3 {
    font-weight: 600;
  }
  
  b {
    font-weight: 900;
  }