.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
  }

  @media (min-width: 768px) {
    .bd-placeholder-img-lg {
      font-size: 3.5rem;
    }
  }

  /* custom link styling requirement */
  a[target="_blank"]:after {
    content: " (external)";
    color: aqua;
    background-color: transparent;
    text-decoration: none;
  }
 
  /* custom text color requirement */
  .dark-text{
      color: red;
  }
  
  /* grid layout used in projects page */
  .content{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    gap: 5px;
}