.Presentation_sidebar {
  width: 130px;
  height: 100vh;
  background-color: rgb(50, 50, 50);
  float: left;
  position: fixed;
  z-index: 1;
}
.Presentation_sidebarProgressbar {
  content: '';
  display: block;
  position: fixed;
  left: 0px;
  top: 0;
  width: 4px;
  height: 0%;
  background-color: rgb(143, 63, 51);
  transition: height 0.6s;
  z-index: 2;

}
.Presentation_sidebar h1 {
  letter-spacing: 3px;
  margin-left: 20px;
}

.Presentation_rightbar {
  padding-left: 130px;
  width: 100%;
  box-sizing: border-box;
}

.Presentation_rightbar .Presentation_frameImage {
  position: relative;
  width: 100%;
  height: 400px;
  box-sizing: border-box;
}

.Presentation_rightbar .Presentation_frameContent {
  box-sizing: border-box;
  padding: 90px;
}

.Presentation_sidebar h1 {
  color: rgb(215, 215, 215);
  writing-mode:vertical-lr;
  padding-top: 6vh;
}

.Presentation_sidebar .Presentation_arrowUp,.Presentation_arrowDown {
  width: 35px;
  height: 35px;
  position: absolute;
  left: 113px;
  display: block;
  z-index: 100;
}

.Presentation_sidebar .Presentation_arrowUp {
  top: 5vh;
  transform: rotateZ(180deg);
  -webkit-transform: rotateZ(180deg);
}

.Presentation_sidebar .Presentation_arrowDown {
  top: 15vh;
}

.Presentation_sidebar .Presentation_arrowUp img {
  width: 35px;
  height: 35px;
}

.Presentation_sidebar .Presentation_arrowDown img {
  width: 35px;
  height: 35px;
}

.Presentation_sidebar .Presentation_arrowUp:active img {
  margin-top: 5px;
}

.Presentation_sidebar .Presentation_arrowDown:active img {
  margin-top: 5px;
}

.Presentation_sidebar .Presentation_arrowUp::before,.Presentation_arrowDown::before {
  width: 20px;
  height: 20px;
  top: 2px;
  left: 7px;
  background-color: #db3821;
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 100%;
  transform: scale(0);
  transition: transform 0.2s;
}
.Presentation_sidebar .Presentation_arrowDown:hover::before {
  transform: scale(1);
}
.Presentation_sidebar .Presentation_arrowUp:hover::before {
  transform: scale(1);
}
