main {
    display: grid; 
    grid-template-columns: 1fr 1fr 1fr; 
    grid-template-areas: 
      ". . ."; 
    text-align: center;
    margin-top: 25px;
    overflow: none;
}


img {
    border-radius: 50%;
    max-width: 150px;
}

h3 {
  padding-bottom: none;
}

#png {
  max-height: 15px;
}

@media only screen and (max-width: 600px) {
    main {
        display: grid; 
        grid-template-columns: 1fr; 
        grid-template-areas: 
          "."; 
        text-align: center;
        margin-top: 25px;
        overflow: none;
    }

    section {
        margin-top: 25px;
    }
  }