body{
  margin:0;
  padding:0;
overflow:hidden;
  background-image:url("https://i.pinimg.com/1200x/92/d2/42/92d242133cc12fb50ce5fc860fe0dea0.jpg");
  background-size:cover;
  background-position:center;
  color:#4b2e2e;
  font-family: "Georgia", serif;
  display:flex;
  justify-content:center;
  align-items:center;
   height:100vh;
}

.livro{
  width:1400px;
  height:860px;

  position:relative;
  background-image:url("https://64.media.tumblr.com/28e46ea138cdef9489620c5c7e7e051e/c098aa8b2b0579bb-74/s640x960/d8376473a1fbb8a1b0668b70a73f93f2d4ff27da.pnj");
  background-size:100% 100%;
  background-repeat:no-repeat;
}

.pagina{
  position:absolute;
  top:0;
  height:100%;
  padding:91px 70px;
  background:transparent;
}

.esquerda{
  left:0;
  width:50%;
  padding-left:159px;
  padding-right:40px;
  
  overflow-y:auto;   
  overflow-x:hidden;}

.direita{
  position:absolute;
  right:0;
  width:50%;
  height:100%;
  overflow-y:auto;   
  overflow-x:hidden;
}


/* TÍTULOS */
h2, h3{
  font-weight:normal;
  font-style:italic;
}

/* ITENS (meses) */
.item{
  margin:15px 0;
  cursor:pointer;

  transition:0.3s;
}

.item:hover{
  opacity:0.6;
}

/* CONTEÚDO DIREITA */
.conteudo{
  display:none;
  position:absolute;
  top:118px;     
  left:184px;     
  width:485px;   /* largura da página */
  max-height:671px; /* altura */
  overflow-y:auto;
  overflow-x:hidden;
  color:#4b2e2e;
}

.conteudo img{
  width:80%;
  margin-top:10px;

  filter:brightness(0.95) contrast(1.1);
}



.container-fotos{
  width: 300px;        
  height: auto;
}

@keyframes fade{
  from{opacity:0;}
  to{opacity:1;}
}

/* SCROLL */
.conteudo::-webkit-scrollbar{
  width:3px;
}

.conteudo::-webkit-scrollbar-track{
  background:transparent;
}

.conteudo::-webkit-scrollbar-thumb{
  background:rgba(80,50,30,0.35);
  border-radius:10px;
}


.conteudo::-webkit-scrollbar-thumb:hover{
  background:rgba(80,50,30,0.2);
}

.livro{
  transform-origin:center;
}


@media (max-width:1200px){
  .livro{
    transform:scale(calc(100vw / 1200));
  }
}


@media (max-height:700px){
  .livro{
    transform:scale(calc(100vh / 700));
  }
}