zola/docs/sass/_themes.scss

.themes-container {
  padding: 3rem;
  width: 80%;
  margin: 0 auto;

  img {
    max-width: 100%;
  }
}

@media only screen and (max-width: 1000px)  {
  .themes-container {
    width: 100%;
    margin: 0 1rem;
  }
}

.themes {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;

  .theme {
    width: 45%;
    text-decoration: none;
    cursor: pointer;
    margin-bottom: 2rem;
    border-bottom: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    padding: 10px;

    img {
      width: 100%;
      height: 90%;
      object-fit: cover;
    }

    span {
      display: block;
      text-align: center;
      font-size: 1.1rem;
    }
  }
}

.theme-info {
  display: flex;
  align-items: flex-start;

  .thumb {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07);
    width: 400px;
    margin-right: 2rem;
  }

  h1, p {
    margin: 0;
  }

  padding: 1rem;
}


@media only screen and (max-width: 1000px)  {
  .themes .theme {
    width: 100%;
  }
}

@media only screen and (max-width: 1000px)  {
  .theme-info {
    flex-direction: column;
    align-items: center;

    img {
      margin-bottom: 1rem;
    }
  }
}