@media(max-width:520px){
  main{padding:24px 18px 60px}
  .app-header{padding:16px 18px}
  h1{font-size:34px}
  h2{font-size:26px}
  .grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:95px 1fr 40px}
}