.topMenu a {
  display: block;
  padding: 0.3125rem 0;
}

#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
  color: white;
}

.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #ff0000;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

#loading-text {
  margin: 10px;
  animation: fadeInOut 2s ease-in-out infinite alternate;
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }

  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes fadeInOut {
  0% {
    opacity: 0.5;
  }

  100% {
    opacity: 1;
  }
}

body {
  background-color: #161616;
}

.shadow-lg-2 {
  box-shadow: 0 0.5rem 1rem rgba(255, 255, 255, 0.05);
}

#videoPlayer {
  height: 500px;
}

#summaryContainer {
  height: 460px;
  overflow-y: scroll;
}

#statsContainer {
  height: 140px;
  overflow-y: scroll;
}

/* width */
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  background: #f1f1f1;
}

/* Handle */
::-webkit-scrollbar-thumb {
  background: #888;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.video-column {
  width: 70%;
}

.text-center {
  color: aliceblue;
}

.text-color {
  color: aliceblue;
}

/* timeline css test*/
.main-timeline-section {
  position: relative;
  width: 100%;
  margin: auto;
  height: 150px;
}

.main-timeline-section .timeline-start,
.main-timeline-section .timeline-end {
  content: "";
  position: absolute;
  background: #f2635f;
  border-radius: 100px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
}

.main-timeline-section .timeline-end {
  right: 0px;
}

.main-timeline-section .conference-center-line {
  position: absolute;
  width: 100%;
  height: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: #f2635f;
}

.timeline-article {
  width: 20%;
  position: relative;
  min-height: 150px;
  float: right;
}

.timeline-article .content-date {
  position: absolute;
  top: 35%;
  color: aliceblue;
  left: 5px;
  font-size: 16px;
  display: none;
}

.timeline-article .meta-date {
  position: absolute;
  top: 50%;
  left: 0px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 100%;
  background: #fff;
  border: 1px solid #f2635f;
  cursor: pointer;
}

.meta-date:hover~.content-box,
.meta-date:hover~.content-date {
  transition: 0.2s linear;
  display: block;
}

.timeline-article .content-box {
  box-shadow: 2px 2px 4px 0px #c1c1c1;
  border: 1px solid #f2635f;
  border-radius: 5px;
  background-color: #fff;
  width: 180px;
  position: absolute;
  top: 60%;
  left: -80px;
  padding: 5px;
  transition: 0.2s linear;
  display: none;
  height: 120px;
  overflow: hidden;
}

.timeline-article-bottom .content-date {
  top: 59%;
}

.timeline-article-bottom .content-box {
  top: -50%;
  z-index: 99;
}

.timeline-article-bottom .content-box:before {
  content: " ";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -20px;
  border: 10px solid transparent;
  border-top-color: #f2635f;
}

@media (max-width: 460px) {
  body {
    display: none;
  }
}

.modal-content {
  background-color: #161616;
  color: aliceblue;
}

.btn-close {
  background-color: aliceblue;
}