$color-white: #ffffff;
$color-black: #000000;
$color-light: #f5f7f8;
$color-dark: #333333;
$box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.24);

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  list-style: none;
  text-decoration: none;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1rem;
  font-weight: normal;
  line-height: 1.4;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background: $color-white;
  color: $color-dark;
}

.container {
  padding: 2rem 1rem;
  margin: 0 auto;
  max-width: 68rem;
  width: 100%;
}

.main {
  .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 1rem;
    justify-content: center;
    align-items: center;
  }

  .card {
    background: $color-white;
    box-shadow: $box-shadow;
    color: $color-dark;
    border-radius: 2px;

    &-image {
      background: $color-white;
      display: block;
      padding-top: 70%;
      position: relative;
      width: 100%;

      img {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
      }
    }
  }
}

@media only screen and (max-width: 600px) {
  .main {
    .container {
      display: grid;
      grid-template-columns: 1fr;
      grid-gap: 1rem;
    }
  }
}