.libros{
    font-family: 'Glory', sans-serif;
    margin-top: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    flex-direction: column;
}

.libros h1{
    margin-top: 50px;
    padding: 0;
    width: 70%;
    text-align: center;
}

.libros p{
    width: 70%;
    text-align: center;
    font-size: 24px;
    margin: 0;
    padding: 0;
}

.maincontainer{
    width: 70%;
    min-height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
}

.contenedorC{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    flex-direction: column;
    transition: 0.5s;
    width: 400px;
    filter: drop-shadow(-3px 3px 9px rgba(0, 0, 0, 0.35));
}


.contenedorC:hover{
    scale: 1.1;
}

.thecard{
    position: relative;
    width:250px;
    height: 300px;
    border-radius: 30px;
    transform-style: preserve-3d;
    transition: all 0.8s ease;
}

.thecard:hover{
  transform: rotateY(180deg);
}

.thefront{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  backface-visibility: hidden;
  overflow: hidden;
  color: #000;
}

.theback{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  backface-visibility: hidden;
  overflow: hidden;
  background-repeat: no-repeat;
  background-size: contain;
  color: #333;
  text-align: center;
  transform: rotateY(180deg);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 30px;
}
.clase1{
    background: url(../img/Creamate_P1_Portada_page-0001.jpg);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.clase1b{
    background: url(../img/Creamate_P1_Portada_page-0002.jpg);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase2{
    background: url(../img/portadas/front2.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase2b{
    background: url(../img/portadas/back2.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.clase3{
    background: url(../img/portadas/front3.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase3b{
    background: url(../img/portadas/back3.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase4{
    background: url(../img/portadas/front4.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase4b{
    background: url(../img/portadas/back4.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase5{
    background: url(../img/portadas/front5.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase5b{
    background: url(../img/portadas/back5.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase6{
    background: url(../img/portadas/front6.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.clase6b{
    background: url(../img/portadas/back6.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.contenedorC button{
    width: 150px;
    background-color: #738dcc;
    text-align: center;
    color: white;
    font-weight: bold;
    padding: 15px;
    transition: 0.3s;
    border-radius: 20px;
    border: none;
}

.botones{
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.botones a button{
    font-size: 20px;
}

button:hover{
    background: white;
    color: #738dcc;
    transform: scale(1.1);
}