* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: lightgray;
  font-family: monospace;
  margin: 0;
}

header {
  border-bottom: 0.375rem solid black;
  padding: 2rem 1rem;
  text-align: center;
}

h1 {
  font-family: sans-serif;
  margin-bottom: 1.5rem;
  margin-top: 0;
}

address {
  font-size: 0.9375rem;
  margin: 0 auto;
}

.practices {
  font-size: 0.9375rem;
}

main {
  padding: 1.5rem 1rem;
}

h2 {
  font-family: sans-serif;
  margin: 0.125rem 0 0.9375rem;
}

h3 {
  font-family: sans-serif;
  font-size: 1.5em;
  margin: 0.625rem 0;
}

.pieces-list {
  margin: 0;
  padding-left: 0;
}

.piece {
  background-color: white;
  border: 0.375rem solid black;
  display: block;
  margin-bottom: 1rem;
  width: 288px;
}

.piece__container-for-aspect-ratio {
  position: relative;
  height: 0;
  padding-top: 89%;
}

.piece__title-and-description {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.piece__title {
  margin: 0;
  padding: 0.625rem 0.75rem;
  background-color: white;
  font-size: 1.125rem;
  vertical-align: middle;
}

.piece__description {
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 0.25rem 0.75rem 0.5rem;
  visibility: hidden;
  background-color: white;
  font-size: 0.9375rem;
}

.piece:hover .piece__description {
  visibility: visible;
}

.piece:hover .piece__title-and-description {
  background-color: white;
}

.piece__practice {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 0.75rem 0.75rem;
  background-color: white;
  font-family: sans-serif;
  font-weight: bold;
  text-align: right;
  text-transform: uppercase;
}

.piece__image {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  padding-top: 14%;
  background-image: linear-gradient(
      to right,
      rgba(192, 192, 192, 0.75),
      rgba(192, 192, 192, 0.75)
    ),
    linear-gradient(to right, black 50%, white 50%),
    linear-gradient(to bottom, black 50%, white 50%);
  background-blend-mode: normal, difference, normal;
  background-size: 2px 2px;
}

@media screen and (min-width: 480px) {
  main {
    padding-left: 1.75rem;
    padding-right: 1.75rem;
  }

  .piece__container-for-aspect-ratio {
    padding-top: 85%;
  }

  .piece {
    width: 400px;
  }

  .piece__image {
    padding-top: 10%;
  }
}

@media screen and (min-width: 768px) {
  main {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }

  .pieces-list {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
  }

  .piece {
    margin-right: 1rem;
    max-width: 288px;
  }

  .piece__container-for-aspect-ratio {
    padding-top: 89%;
  }

  .piece__image {
    padding-top: 14%;
  }
}

@media screen and (min-width: 1024px) {
  header {
    border-bottom: none;
    border-right: 0.375rem solid black;
    height: 100%;
    overflow: hidden;
    padding-bottom: 3.5rem;
    padding-top: 3.5rem;
    position: fixed;
    text-align: center;
    width: 288px;
  }

  main {
    margin-left: 288px;
    padding: 3rem 2.5rem;
  }
}

@media screen and (min-width: 1280px) {
  main {
    padding-left: 3.5rem;
    padding-right: 3.5rem;
  }

  .piece {
    width: 100%;
    max-width: 400px;
  }

  .piece__container-for-aspect-ratio {
    padding-top: 85%;
  }

  .piece__image {
    padding-top: 10%;
  }
}