body {
  margin: 0;
  padding: 0;
  background-image: url(../img/tlo.gif);
  font-size: 16px;
  font-family: Verdana, Arial, Helvetica, sans-serif;
}
.wrapper {
  background-color: #ffffff;
  margin: 0 auto;
  width: 100%;
  max-width: 960px;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}
.logo-container {
  text-align: left;
  align-self: flex-start;
}
.main-content {
  color: #790000;
  padding: 1rem;
}
.main-content p {
  text-align: justify;
  line-height: 1.5;
}
.main-content ul {
  line-height: 1.5;
}
.cover-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
h1 {
  font-size: larger;
}
h1+h2 {
  margin-top: 0;
}
h2 {
  font-size: large;
}
main {
  flex: 1 0 auto;
}
p+h1 {
  margin-top: 2em;
}
.uwaga {
  margin: 2em 0 2em 1em;
  border-left: 0.3em solid red;
  padding: 1em 2em 1em 1em;
}
hr {
  inset: unset;
  background-color: #dc0221;
  width: 100%;
  height: 5px;
  margin: 5px 0;
  border: 0;
}

.logo {
  max-width: 20rem;
  width: 100%;
  height: auto;
}
.address {
  color: #646464;
  font-size: smaller;
  text-align: right;
  align-self: flex-end;
}
.address p {
  margin: 0;
}
.address a {
  color: red;
  text-decoration: none;
}
nav {
  background: #dc0221;
  padding: 0.5em;
}
nav a {
  color: white;
  font-weight: bold;
  text-decoration: none;
  padding: 2em;
}

.book {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 2em;
}

.book + .book {
  border-top: 1px solid red;
  padding-top: 2em;
}
.book h1 {
  margin: 0;
}
@media (max-width: 960px) {
  max-width: none;
}
@media (max-width: 768px) {
  .book {
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
  }
}
@media (max-width: 600px) {
  .header {
    flex-direction: column;
  }
  .address {
    display: none;
  }
  .book {
    grid-template-columns: 1fr;
  }
  .cover-info {
    display: flex;
    flex-direction: row;
    gap: 1rem;
  }
  .main-content p {
    text-align: start;
  }
}
@media (max-width: 460px) {
  .cover-info {
    flex-direction: column;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .logo {
    /*width: 40px;*/
  }
}

@media (min-width: 1025px) {
  .logo {
    /*width: 60px;*/
  }
}


.cover-info img {
  max-width: 100%;
  height: auto;
}
.ksiazka_info p, .ksiazka_pliki p {
  margin: 0;
  padding: 0;
  text-align: unset;
  font-size: smaller;
}
.ksiazka_pliki p img {
  padding-right: 1em;
  vertical-align: baseline;
}
.ksiazka_pliki {
  margin-top: 1rem;
}

footer {
  flex-shrink: 0;
  padding: 0;
  background-color: #dc0221;
}

footer p {
  padding: 0.5em;
  margin: 0;
  color: white;
  text-align: center;
  font-size: small;
}