* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    --black: #000;
    --white: rgb(248, 248, 248);
    --accent-color: #075299;
    --accent-color-light: #288ab1;
    --accent-color-lighter: #55bae2;
  
    --height-big: 100vh;
    --height-small: 100%;
    --height-small-forbig: 95vh;
    --header-heights: 2.25rem;
    --accordion-item-color: #000;
  
    --anim-slow: 0.75s;
    --anim-fast: 0.5s;
  }
  @font-face {
    font-family: book-text-font;
    src: url(../fonts/archivoRegular.ttf);
  }
  @font-face {
    font-family: book-text-font-bold;
    src: url(../fonts/archivoMedium.ttf);
  }
  @font-face {
    font-family: accordion-text-font;
    src: url(../fonts/archivoMedium.ttf);
  }
  
  ::-webkit-scrollbar {
    width: 0px;
  }
  ::-webkit-scrollbar {
    width: 0px!important;
  }
  body::-webkit-scrollbar,.foot-note-text::-webkit-scrollbar,.foot-note-container::-webkit-scrollbar {
    display: none;
}
body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}
.book-content,.content-library,.foot-note-text,.foot-note-container{
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}
  html,
  body,
  .large-device-console {
    height: var(--height-big);
    width: 100vw;
  
    overflow: hidden;
  }
  
  body {
    display: flex;
    justify-content: center;
    align-items: center;
  
    background-color: var(--white);
    color: var(--black);
    font-size: 16px;
  
    position: relative;
  }
  
  h1,
  .h1,
  h2,
  .h2 {
    font-weight: 700;
    margin: 0;
    margin-bottom: 1rem;
  }
  
  h3,
  .h3,
  h4,
  .h4,
  h5,
  .h5 {
    font-weight: 500;
    margin-bottom: 0.5rem;
  }
  
  h1,
  .h1 {
    font-size: 2rem;
  }
  
  h2,
  .h2 {
    font-size: 1.75rem;
  }
  
  h3,
  .h3 {
    font-size: 1.5rem;
  }
  
  h4,
  .h4 {
    font-size: 1.25rem;
  }
  
  img {
    max-width: 100%;
  }
  
  #accordion-cover,
  #main-book,
  .containers,
  .book-cover,
  .book-content {
    height: 100%;
  }
  #accordion-cover {
    font-family: accordion-text-font;
    transition: all var(--anim-slow) ease;
  }
  
  .book-cover {
    background: url(../images/book-cover.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-color: var(--accent-color-light);
  
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
  }
  .preview-button {
    height: 15%;
    width: 45%;
    max-height: 200px;
    max-width: 200px;
  
    display: flex;
    justify-content: center;
    align-items: center;
  
    cursor: pointer;
  }
  .variable-height-class {
    transform: translateY(-100%);
  }
  
  .content-library {
    height: 100%;
    width: 100%;
  
    position: relative;
  
    overflow: scroll;
    overflow-x: hidden;
  }
  .go-back > svg {
    transform: rotate(90deg);
    transition: all 0.5s ease;
    scale: 0.7;
    cursor: pointer;
  }
  .fixed > svg {
    transform: rotate(270deg);
  }
  .content-library,
  .accordion-item,
  .accordion-item .accordion-preview,
  .accordion-item .accordion-button {
    background-color: var(--white);
  }
  .accordion:not(.inner-accordion) {
    padding-top: var(--header-heights);
  }
  .inner-accordion {
    width: 100%;
  }
  .accordion-item {
    position: relative;
    overflow: hidden;
  }
  .accordion-item .accordion-preview,
  .accordion-item .accordion-button {
    font-size: 1rem;
    padding: 1em 1.75em;
  }
  .accordion-item .accordion-preview {
    position: relative;
  
    width: 100%;
    color: var(--accordion-item-color);
  
    border: 0;
    border-radius: 0;
    cursor: pointer;
  }
  .current-chapter .accordion-preview {
    background-color: var(--accent-color-lighter);
    /* border-radius: 10px; */
  }
  .accordion-item .accordion-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 1em 1.5em;
    padding-top: 0;
  }
  .accordion-item.with-sub-chapters .accordion-body {
    padding-right: 0;
  }
  .accordion-item .logged-out {
    margin: 0 auto;
    max-width: 500px;
  }
  .accordion-item .accordion-body .chapter-mini-intro {
    font-size: 0.85rem;
  }
  .accordion-item .accordion-body .payment-prompt {
    font-size: 1rem;
    text-align: center;
    margin: 0.5em 0em;
  }
  .accordion-item .accordion-body .payment-gateway {
    border: 1px solid var(--black);
    /* border-radius: 5px; */
    width: 95%;
    height: 150px;
    align-self: center;
  }
  .accordion-item .accordion-body .login-button {
    margin: 0.5em 0;
    padding: 0.25em;
    background: none;
    background-color: var(--accent-color-lighter);
    border: 1px solid var(--black);
    /* border-radius: 3px; */
    align-self: center;
  }
  .corner-ribbon {
    z-index: 10;
    width: 100px;
    font-size: 0.52em;
    background: var(--accent-color);
    position: absolute;
    top: 10px;
    left: -32.5px;
    text-align: center;
    line-height: 15px;
    letter-spacing: 1px;
    color: white;
    transform: rotate(-45deg);
    overflow: hidden;
  }
  
  #main-book {
    font-family: book-text-font;
    font-size: 18px;
    z-index: 13;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 100%;
  
    transition: all var(--anim-slow) ease;
  }
  .slide-main-book-in {
    left: 0 !important;
  }
  .chapter-title {
    display: inline-block;
    width: 90%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden !important;
    text-overflow: ellipsis;
  }
  .header,
  .footer,
  .go-back {
    z-index: 14;
    width: 100%;
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .header,
  .go-back,
  .footer .controls {
    padding: 8px;
    height: var(--header-heights);
    background-color: var(--accent-color-light);
  }
  .header,
  .go-back {
    /* border-radius: 0 0 var(--border-radius) var(--border-radius); */
    top: 0;
  }
  .go-back {
    top: var(--height-big);
    box-shadow: 0px -1px var(--accent-color);
  }
  .header {
    transition: all var(--anim-slow) ease;
  }
  .header > *,
  .close-footnote > * {
    margin-right: auto;
  }
  .header .return,
  .go-back,
  .footer .controls .arrows i,
  .footer .controls .close-footnote i {
    padding: 0;
    font-size: calc(var(--header-heights) - 1rem);
    cursor: pointer;
  }
  .footer {
    height: calc(var(--height-big) / 2);
  
    flex-direction: column;
    justify-content: flex-start;
    top: calc(var(--height-big) - var(--header-heights));
  
    background-color: var(--white);
  
    transition: all var(--anim-slow) ease;
  }
  .footnote {
    vertical-align: super;
  }
  .footnote-open .footer {
    top: calc(var(--height-big) / 2) !important;
  }

  .controls .close-footnote {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }
  .book-content {
    height: 100%;
    overflow-y: scroll;
  }
  .chapters {
    width: 100%;  
    top: 0;
    bottom: 0;
    color: black;
    padding: calc(var(--header-heights) + 0.5rem) 1.25rem;
  }
  .reading .containers .header {
    top: -2.5rem;
  }
  .reading .containers .footer {
    top: var(--height-big);
  }
  .reading-imp .containers .header {
    top: -2.5rem !important;
  }
  .reading-imp .containers .footer {
    top: var(--height-big) !important;
  }
  .chapters,
  .foot-notes,
  .footnote-content {
    background-color: var(--white);
    line-height: 23px;
    font-size: 18px;
  }
  .chapters p,
  .footnote-content p {
    margin-bottom: 20px;
  }
  .chapters .footnote {
    cursor: pointer !important;
    vertical-align: super !important;
    font-weight: 700 !important;
    font-size: 12px !important;
  }
  .foot-notes {
    height: calc(var(--height-big) / 2);
    width: 100% !important;
    position:absolute;
    bottom:0px;
    display: flex;
    flex-direction: column;
    justify-content: start;
    transition:all 0.5s ease;
}
.slide-down{
      transform: translateY(100%);
  }
  .with-sub-chapters {
    padding: 0;
  }
  
  @media (min-width: 720px) {
    body {
      background-color: var(--accent-color-light);
      background-image: url(./Assets/book-cover.jpg);
      background-position: center;
      background-size: cover;
      background-repeat: no-repeat;
    }
    body::after {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 0;
      right: 0;
      height: 100%;
      width: 100%;
      background-color: black;
      opacity: 0.6;
      z-index: -1;
    }
    .accordion-item .accordion-preview,
    .accordion-item .accordion-button {
      font-size: 1.1rem;
      padding: 0.75em 1.5em;
    }
    .large-device-console {
      max-height: var(--height-small-forbig);
      max-width: 720px;
      position: relative;
  
      /* border-radius: 10px; */
  
      box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.224);
    }
  
    .footer {
      height: calc(var(--height-small-forbig) / 2);
  
      top: calc(var(--height-small-forbig) - var(--header-heights));
    }
    .footer.open {
      top: calc(var(--height-small-forbig) / 2);
    }
    .go-back {
      top: var(--height-small-forbig);
    }
    .foot-notes {
      height: calc(var(--height-small-forbig) / 2);
    }
  }
  @media (max-width: 450px) {
    html,
    body,
    .large-device-console {
      height: var(--height-small);
    }
    .footer {
      top: calc(var(--height-small) - var(--header-heights));
    }
    .footer.open {
      top: calc(var(--height-small) / 2);
    }
    .go-back {
      top: var(--height-small);
    }
    .foot-notes {
      height: calc(var(--height-small) / 2);
    }
  }