body {
  background-color: #E6E6E6;
  font-family: sans-serif;
}
h1 {font-family: sans-serif;}
h1 {align-items: center;}
div.main {
  max-width: 900px;
  margin: 0 auto;
}
img {display: flex; max-width: 100%}
.flex {display: flex; flex-wrap: wrap; justify-content: space-between;}
.half {flex-basis: 32%}
/* FOR SMALLER SCREENS */
@media (max-width: 700px) {
  body {
    background-color: white;
  }


  }
}