.navigation-chapters-internal {
  background: transparent;
  width: 100%;
  border-bottom: 1px solid rgba(103, 103, 103, 0.3);
  position: fixed;
  top: 41px;
  left: 0;
  z-index: 7;
  display:none;
}
.navigation-chapters-internal .container > .row {
  align-items: center;
}
.navigation-chapters-title a{
  color:#fff;
  font-size:13px;
}
@media (min-width: 1200px) {
  .navigation-chapters-title a{
    font-size:14px;
  }
}
@media (max-width: 991px) {
   .navigation-chapters-title a{
     width:90%;
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
     display:block;
  }  
}
@media (max-width: 767px) {
   .navigation-chapters-title a{
     width:100%;
     font-size:10px;
  }  
}
.navigation-chapters-internal.set-color{
  background: #000;
  border-bottom: 1px solid #000;
  margin-top:-1px;
  display:block;
}
@media (min-width: 768px) {
  .navigation-chapters-internal {
    top: 57px;
  }
}
@media (min-width: 1200px) {
  .navigation-chapters-internal {
    top: 57px;
  }
}
.navigation-chapters-internal .container {
  max-width: 1170px;
}

@media (min-width: 1200px) {
  .navigation-chapters-internal .container {
    max-width: 1230px;
  }
}
@media (min-width: 1600px) {
  .navigation-chapters-internal .container {
    max-width: 80%;
  }
}
.navigation-chapters-internal .container .col-md-6 {
  padding-left:10px;
  padding-right:10px;  
}
.navigation-chapters-internal-list {
  width: 100%;
  border-left: 1px solid rgba(103, 103, 103, 0.3);
}
@media (max-width: 767px) {
  .navigation-chapters-internal-list {
    width: 30%;
  }
}
.navigation-chapters-internal-item {
  width:100%;
  border-right: 1px solid rgba(103, 103, 103, 0.3);
}
.navigation-chapters-internal-item.next-item{
  border-right:0;
}
.navigation-chapters-internal-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 20px;
  font-size: 12px;
  color: #fff !important;
  font-weight: 400;
  text-transform: uppercase;
}
@media (min-width: 1200px) {
  .navigation-chapters-internal-item a {
    padding: 7px 40px;
  }
}
@media (max-width: 767px) {
  .navigation-chapters-internal-item a {
    padding: 10px 10px;
    font-size: 12px;
  }
}
.navigation-chapters-internal-item a span {
  display: none;
}
@media (min-width: 1200px) {
  .navigation-chapters-internal-item a span {
    display: inline;
  }
}
@media (min-width: 1200px) {
  .navigation-chapters-internal-item a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none !important;
  }
}
.navigation-chapters-internal-item.prev-item a:before {
  content: "";
  width: 0;
  height: 0;
  margin-right: 13px;
  border-style: solid;
  border-width: 6px 6px 6px 0;
  border-color: transparent #ffffff transparent transparent;
}
.navigation-chapters-internal-item.next-item a:after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 13px;
  border-style: solid;
  border-width: 6px 0 6px 6px;
  border-color: transparent transparent transparent #ffffff;
}
@media (max-width: 767px) {
  .navigation-chapters-internal-item.prev-item a:before {
    margin-right: 0;
  }
  .navigation-chapters-internal-item.next-item a:after {
    margin-left: 0;
  }
}
.navigation-chapters-internal .holder-menu {
  position: relative;
  border-right: 1px solid rgba(103, 103, 103, 0.3);
}
@media (min-width: 1200px) {
  .navigation-chapters-internal .holder-menu {
    max-width:270px;
    width:100%;
    border-left: 1px solid rgba(103, 103, 103, 0.3);
  }
}
.navigation-chapters-internal .holder-menu > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 15px;
  font-size: 12px;
  color: #fff !important;
  font-weight: 400;
  text-transform: uppercase;
  width:268px;
}
@media (min-width: 1200px) {
  .navigation-chapters-internal .holder-menu > a {
    padding: 7px 15px;
  }
}
@media (max-width: 767px) {
  .navigation-chapters-internal .holder-menu > a {
    padding: 4px 10px;
    font-size: 9px;
    width:auto;
  }
}
.navigation-chapters-internal .holder-menu > a:after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 10px;
  border-style: solid;
  border-width: 0 6px 6px 6px;
  border-color: transparent transparent #ffffff transparent;
}
@media (min-width: 1200px) {
  .navigation-chapters-internal .holder-menu > a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none !important;
  }
}
.navigation-chapters-internal .holder-menu > a.open:after {
  transform: rotate(180deg);
}
.navigation-chapters-internal .holder-menu-scroll {
  width: 80vw;
  height: 0;
  position: absolute;
  top: 115%;
  right: 0;
  left: inherit;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease 0s;
}
.navigation-chapters-internal .holder-menu-list {
  padding: 0;
  margin: 0;
  list-style-type: none;
}
@media (min-width: 768px) {
  .navigation-chapters-internal .holder-menu-scroll {
    width: 300px; 
    height: 0;
    overflow: hidden;
    top: 108%;
    right: 0;
    left: inherit;
    box-shadow: 0px 0px 46px 0px rgb(0 0 0 / 14%);
    height: auto;
  }
  .navigation-chapters-internal .holder-menu-list {
    
  }
}
.navigation-chapters-internal .holder-menu-scroll.open {
  height: calc(100vh - 60px - 82px);
  overflow-y: auto;
  opacity: 1;
  pointer-events: auto;
  height: auto;
}
.navigation-chapters-internal .holder-menu-scroll.open .holder-menu-list {
    background: #fff;
    padding: 5px 20px 15px 25px;
}

.navigation-chapters-internal .holder-menu-list li a {
    font-size: 13px;
    font-weight: 300;
    color: #000000;
    font-family: Montserrat;
    line-height: 20px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    padding: 13px 0;
    border-bottom: 1px solid #f1f1f1;
}

.navigation-chapters-internal .holder-menu-list li a:hover, .navigation-chapters-internal .holder-menu-list li.active a{
    color: #ff4800;
}
@media (min-width: 992px) {
  .navigation-chapters-internal .holder-menu-list li a{
      font-size: 14px;
  }
}

@media (max-width: 767px) {
  .navigation-chapters-internal .holder-menu-list li a {
      font-size: 12px;
      line-height: 18px;
      padding: 10px 0;
  }
}