body {
  margin: 0;
  padding: 0;
  background-color: #faf4ea;
  font-family: Georgia, 'Times New Roman', Times, serif;
}

.head {
  color: #214255;
  padding: 20px;
  font-size: 40px;
}

.category {
  display: grid;
  grid-template-columns: repeat(3, 150px);
  font-size: 26px;
  gap: 50px;
  justify-content: center;
  margin-top: 160px;  
}

#book {
  transition: 0.7s;
}

#book:hover {
  scale: 1.1;
  box-shadow: 0px 0px 20px peru;
}

.categorya {
  display: grid;
  grid-template-columns: repeat(6, auto); 
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
}

.h22 {
    color: #214255;
    font-size: 30px;
    padding-top: 30px;
}

.back {
  position: fixed;
  bottom: 820px;
  margin-left: 20px;
  height: 30px;
  border-radius: 12px;
  border: none;
  background-color: #ef977b;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  cursor: pointer;
}

.back:hover {
  scale: 0.9;
  transition: 0.4s;
}

.english {
  width: 130px;
  height: 110px;
  background-color: #ef977b;
  color: white;
  font-size: 28px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.h2 {
  color: #214255;
  font-size: 30px;
  padding-bottom: 40px;
}

.biology {
  width: 130px;
  height: 110px;
  background-color: #1a3f53;
  color: white;
  font-size: 28px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  
}


.chemistry {
  width: 130px;
  height: 110px;
  background-color: #3f7f76;
  color: white;
  font-size: 28px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

#oxo-zone-05efd9ff2c16bba6d8a0aa24 {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  max-width: 90%;
}


.physics {
  width: 130px;
  height: 110px;
  background-color: #9db3b9;
  color: white;
  font-size: 28px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;        
}


.englisha, .biologya, .chemistrya, .physicsa {
  text-decoration: none;
  color: white;
}


.bio1, .bio2, .bio3, .bio4, .bio5{
  width: 300px;
  height: 320px;
  padding: 20px;
  border-radius: 30px;
  cursor: pointer;
}


.bios {
  display: grid;
  grid-template-columns: repeat(3,auto);
  justify-content: flex-start;
  gap: 60px;
}


.allbook {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  
}



@media only screen and (max-width: 1024px){

  .allbook {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .bios {
    display: grid;
    grid-template-columns: repeat(2, auto);
  }

}


@media screen and (max-width: 768px){

.categorya {
  display: grid;
  grid-template-columns: repeat(2, auto);
  margin: auto;
  padding: auto;
}

.back {
  bottom: 790px;
}


.category {
  display: grid;
  grid-template-columns: repeat(2, auto);
  margin: auto;
  padding: auto;
  margin-top: 100px;
}

.bios {
  display: grid;
  grid-template-columns: repeat(1, auto);
}
  
}


@media screen and (max-width: 480px){
  .allbook {
    display: grid;
    grid-template-columns: repeat(1, auto);
  }
}


/* Tablet */
@media screen and (max-width: 1024px) {
  #oxo-zone-05efd9ff2c16bba6d8a0aa24 {
    width: 420px;
    max-width: 90%;
  }
}

/* Small Tablet */
@media screen and (max-width: 768px) {
  #oxo-zone-05efd9ff2c16bba6d8a0aa24 {
    width: 320px;
    max-width: 90%;
  }
}

/* Mobile */
@media screen and (max-width: 480px) {
  #oxo-zone-05efd9ff2c16bba6d8a0aa24 {
    width: 260px;
    max-width: 95%;
  }
}