html, body {
  min-height: 100%;
  display: grid;
  align-items: center;
  row-gap: 2rem;
  }
body {
  background: linear-gradient(0deg, #173c65, #112f52, #0c233e, #081729, #040b12);
  position: relative;
  height: 100%;
  margin: 0;
  padding: 0;
  }
body::before {
  background-image: url("/img/noise.svg");
  content: '';
  position: absolute;
  z-index: 3;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  filter: brightness(90%) contrast(130%);
  mix-blend-mode: multiply;
  }
a {
  color: #5d81c9;
  }
header {
  align-self: center;
  }
h1.logo {
  position: relative;
  z-index: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 4rem 0 2rem;
  filter: brightness(110%) contrast(130%);
  }
h1.logo img {
  width: 120px;
  height: auto;
  aspect-ratio: 1.727 / 1;
  }
  @media (min-width:1000px) {
    h1.logo img {
      max-width: 150px;
      }
    }

main.content {
  align-self: start;  
  }

section h2 {
  margin: 0 0 4rem;
  text-align: center;
  color: #fff;
  font-size: 1.8rem;
  line-height: 1.4;
  font-family: lora,serif;
  text-transform: none;
  }
  @media (min-width:1000px) {
    section h2 {
      }
    }

.book-list {
  background-color: transparent;
  padding-top: 0;
  }
.book-list .contain {
  max-width: 680px;
  }
.book {
  position: relative;
  }
.book .available {
  filter: brightness(1.2);
  }
.book .title a {
  color: #5d81c9;
  }
.book .title a:hover {
  color: #fff;
  }
.book .summary {
  color: #dbd6cf;
  }
main a.more-link {
  color: #5d81c9;
  filter: brightness(1.3);
  }