.c {
  text-align: center;
  vertical-align: middle !important;
}

.m {
  vertical-align: middle !important;
}

h1.my,
h2.my,
h1>span.my,
h2>span.my {
  padding: 0.375rem;
  text-align: left;
  font-weight: normal;
  font-family: 'HanWangMingBlack', 'JfOpenhuninn', 'Noto Sans TC';
  color: rgb(3, 41, 92);
}

h3.my,
h4.my,
h5.my,
h3>span.my,
h4>span.my,
h5>span.my {
  padding: 0.375rem;
  text-align: left;
  font-weight: normal;
  font-family: 'JfOpenhuninn', 'Noto Sans TC';
  color: rgb(92, 41, 56);
}

.my-title {
  padding: 0.375rem;
  text-align: left;
  font-weight: normal;
  font-family: 'JfOpenhuninn', 'Noto Sans TC';
  color: #3a322e;
}

.my-border {
  padding: 0.75rem 1.25rem;
  border: 0.0625rem solid rgb(225, 225, 225);
  border-radius: 0.5rem;
  background: rgb(245, 245, 245);
  /* box-shadow: 0px 0px 6px 1px rgba(37, 37, 37, 0.2); */
  margin: 0.625rem auto;
}

.my-sm-border {
  padding: 0.375rem 0.625rem 0.5rem 0.625rem;
  border: 0.0625rem solid rgb(225, 225, 225);
  border-radius: 0.25rem;
  background: rgb(245, 245, 245);
  margin: 0.625rem auto;
}

ol {
  list-style-type: decimal;
  list-style-position: outside;
  padding-left: 1.25rem;
}

ul {
  list-style-type: disc;
  list-style-position: outside;
  padding-left: 1.25rem;
}

.tooltip-inner {
  max-width: 37.5rem;
  font-size: 0.95em;
  background-color: #830d48;
  box-shadow: 0.125rem 0.125rem 0.3125rem 0rem rgba(0, 0, 0, 0.5);
  line-height: 1.8;
}

.tooltip.bs-tooltip-right .arrow:before {
  border-right-color: #830d48 !important;
}

.tooltip.bs-tooltip-left .arrow:before {
  border-left-color: #830d48 !important;
}

.tooltip.bs-tooltip-bottom .arrow:before {
  border-bottom-color: #830d48 !important;
}

.tooltip.bs-tooltip-top .arrow:before {
  border-top-color: #830d48 !important;
}

.bar {
  text-align: center;
  margin: 3rem auto;
}

code {
  white-space: pre-wrap;
}

#tb3_shadow {
  float: left;
  width: auto;
  background: url('../images/fuzzy_shadow.png') no-repeat bottom right;
}

#tb3_shadow div {
  background: url('../images/fuzzy_shadow1.png') no-repeat right top;
}

#tb3_shadow div a {
  background: url('../images/fuzzy_shadow2.png') no-repeat left bottom;
  padding: 0 0.375rem 0.375rem 0;
  display: block;
}

#tb3_shadow img {
  background-color: #fff;
  color: #000;
  border: 0.0625rem solid #707070;
  padding: 0.25rem;
  vertical-align: bottom;
}

.page {
  border: 0.0625rem solid black;
  padding: 4vw 3vw 4vw 3vw;
  background-color: White;
  background-image: url('../images/paper_bg.jpg');
  background-repeat: repeat-x;
  line-height: 200%;
}

.page_title {
  border-bottom: 0.0625rem solid black;
  text-align: right;
  color: black;
  margin-bottom: 1.25rem;
}

.doc_sort_1 {
  padding-left: 0.3125rem;
  font-size: 1.2rem;
  font-weight: bolder;
}

.doc_sort_2 {
  padding-left: 1.25rem;
  font-size: 1.1rem;
}

.doc_sort_3 {
  padding-left: 2.5rem;
  font-size: 1rem;
}

.doc_sort_4 {
  padding-left: 3.75rem;
  font-size: 0.9rem;
}

.book-container {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 37.5rem;
}

@keyframes initAnimation {
  0% {
    transform: rotateY(0deg);
  }

  100% {
    transform: rotateY(-27deg);
  }
}

.book {
  width: 7.5rem;
  height: 10.625rem;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-27deg);
  transition: 1s ease;
  animation: 1s ease 0s 1 initAnimation;
}

.book:hover {
  transform: rotateY(0deg);
}

.book> :first-child {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #D93025;
  width: 7.5rem;
  height: 10.625rem;
  transform: translateZ(0.9375rem);
  background-color: #ffffff;
  border-radius: 0 0.125rem 0.125rem 0;
  box-shadow: 0.125rem 0.125rem 0.1875rem #444;
}

.book::before {
  position: absolute;
  content: ' ';
  background-color: blue;
  left: 0;
  top: 0.125rem;
  width: 1.75rem;
  height: 10.375rem;
  transform: translateX(6.4375rem) rotateY(90deg);
  background: linear-gradient(90deg,
      #fff 0%,
      #f9f9f9 5%,
      #fff 10%,
      #f9f9f9 15%,
      #fff 20%,
      #f9f9f9 25%,
      #fff 30%,
      #f9f9f9 35%,
      #fff 40%,
      #f9f9f9 45%,
      #fff 50%,
      #f9f9f9 55%,
      #fff 60%,
      #f9f9f9 65%,
      #fff 70%,
      #f9f9f9 75%,
      #fff 80%,
      #f9f9f9 85%,
      #fff 90%,
      #f9f9f9 95%,
      #fff 100%);
}

.book::after {
  position: absolute;
  top: 0;
  left: 0;
  content: ' ';
  width: 7.5rem;
  height: 10.625rem;
  transform: translateZ(-0.9375rem);
  background-color: #555555;
  border-radius: 0 0.125rem 0.125rem 0;
  box-shadow: -0.125rem 0 0.625rem 0.125rem #444;
}

.expanded {
	letter-spacing: 0;
}