* {
  margin: 0px;
  padding: 0px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

body {
  padding: 10px;
  background: #F0F0F0;
}

body main {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: (minmax(200px, 1fr))[auto-fit];
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

body main a {
  padding: 0px;
}

body main a img {
  padding: 10px;
  display: block;
  width: 100%;
  -webkit-box-shadow: 5px 5px 10px rgba(61, 59, 59, 0.06);
          box-shadow: 5px 5px 10px rgba(61, 59, 59, 0.06);
}