html{
	background-color: #CCC;
	text-align: center;
	margin-top: 10px;
  scroll-behavior: smooth;
}
body{
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items:center;
  overflow-x: hidden;
}


img{
  width: 100%;
  vertical-align: bottom;
}
.homebtn img{
  width: 100px;
}
.homebtn a{
	text-decoration:none;
}

.main{
  width: 70%;
  margin: auto;
}
.sumb{
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.header{
  font-family: arial;
  margin: 20px 5px 0px 5px;
}

.header img{
  width: 280px;
  height: 380px;
  object-fit: cover;
  border: solid 1px;
}

.header a{
  text-decoration: none;
  color: black;
  margin: 0;
}
.chapter{
  width: 280px;
  display: flex;
  flex-direction: row;
  border: 1px solid;
  vertical-align: middle;
  background: white;
}
.chaptertitle{
  vertical-align: middle;
  text-align: left;
  line-height: 15px;
  padding: 4px 4px 2px 3px;
}
.year span{
  background: white;
  border-radius: 50%;
  padding: 3px;
}
.year{
  font-family: arial black;
  background: black;
  padding: 5px;
}



#page-top {
    position: fixed;
    right: 5px;
    bottom: 5px;  
}



@media (max-width: 1200px) {
}

@media (max-width: 619px) {
 .pagetop img{
    width: 16.12903226vw; /* 100(px) / 620(px) * 100vw */
  }
  

.main{
  width: 90%;
  margin: auto;
}
.sumb{
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.header{
  font-family: arial;
  margin: 5px 2px 0px 2px;
}

.header img{
  width: 180px;
  height: 190px;
  object-fit: cover;
  border: solid 1px;
}

.header a{
  text-decoration: none;
  color: black;
  margin: 0;
}
.chapter{
  width: 180px;
  display: flex;
  flex-direction: row;
  border: 1px solid;
  vertical-align: middle;
  background: white;
}

}