.rectangle {
  position: absolute;
  height: 8px;
  background-color: gray;
  top: calc(0px + 10px);
  transform: skew(-20deg);
}

.line {
  position: absolute;
  height: 2px;
  background: gray;
  box-shadow: 0 0 10px gray;
}

.line-a {
  width: 200px;
  top: 0px;
  left: 0px;
}

.line-b {
  width: 50px;
  top: 0px;
  left: 200px;
  transform: rotate(45deg);
  transform-origin: left center;
}

.line-c {
  width: calc(100% - 235.35533905933px - 10px - 5px);
  top: 35.355339059327px;
  left: 235.35533905933px;
}

.end-node {
  width: 8px;
  height: 8px;
  background: gray;
  border-radius: 50%;
  position: absolute;
  top: calc(35.355339059327px + 5px - 4px);
  /* Căn giữa đường thẳng */
  left: calc(335.35533905933px - 4px);
  left: unset;
  right: calc(10px - 4px + 5px);
}

.circle-border {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid gray;
  border-radius: 20px 20px 20px 20px;
  top: calc(35.355339059327px + 5px - 10px);
  left: calc(335.35533905933px - 10px);
  left: unset;
  right: 5px;
}

.circle-border2 {
  position: absolute;
  width: 30px;
  height: 30px;
  border-right: 1px solid gray;
  border-radius: 20px 20px 20px 20px;
  top: calc(35.355339059327px + 5px - 15px);
  right: 0px;
  animation: spincircle 2s linear infinite;
}

@keyframes spincircle {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.line-id {
  top: calc(0px + 25px);
  position: absolute;
  color: gray;
}

.line-avatar {
  top: calc(0px + 5px);
  left: calc(235.35533905933px + 0px);
  position: absolute;
  font-size: 15px;
  color: gray;
}

.line-avatar img {
  width: 25px;
  height: 25px;
  border-radius: 50%;
}

.rectangle-1 {
  width: 100px;
  left: 0px;
}

.rectangle-2 {
  width: 6px;
  left: 105px;
}

.rectangle-3 {
  width: 5px;
  left: 116px;
}

.rectangle-4 {
  width: 5px;
  left: 126px;
}

.rectangle-5 {
  width: 4px;
  left: 136px;
}

.rectangle-6 {
  width: 4px;
  left: 145px;
}

.rectangle-7 {
  width: 3px;
  left: 154px;
}

.rectangle-8 {
  width: 3px;
  left: 162px;
}

.rectangle-9 {
  width: 2px;
  left: 170px;
}
.book-title-main {
  padding-right: 15px;
  padding-left: 15px;
  display: block;
}

.book-title {
  text-shadow: 0 0 6px #000000, 0 0 5px #000000, 0 0 5px #000000;
  color: white;
}

.book-title-block {
  text-align: center;
}

@media (min-width: 768px) {
  .book-title {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    padding-left: 3px;
  }

  .book-title-block {
    text-align: left;
  }

  .book-title-main {
    text-align: left;
    width: calc(75% - 15px);
    padding-left: 0px;
    float: right;
    margin-bottom: 0px;
  }
}

@media (min-width: 1200px) {
  .book-title-main {
    width: 56.6666666667%;
    margin-right: 8.33333333333%;
  }
}

#countdown,
#countdown2 {
  font-weight: bold;
}

.pull-right.link-color {
  font-weight: bold;
}

.task {
  padding: 20px;
  border-radius: 10px;
  margin-top: 20px;

  background: linear-gradient(#d1e3f5, #fff) padding-box,
    conic-gradient(from var(--border-angle), var(--bg) 50%, #0d86ff) border-box;

  animation: border-angle-rotate 1.3s infinite linear;
  border: 1px solid transparent;
}

@media (min-width: 768px) {
  .task {
    background: white;
    border: 1px solid #e0e0e0;
    box-shadow: rgba(100, 100, 111, 0.2) 5px 7px 29px 5px;
    animation: unset;
  }
}

.task-parent {
  --bg: hsl(0deg 0% 100%);
}

@keyframes border-angle-rotate {
  from {
    --border-angle: 0deg;
  }

  to {
    --border-angle: 360deg;
  }
}

@property --border-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.task-title {
  font-weight: bold;
  font-size: 20px;
  margin-bottom: 15px;
}

.task-main {
  margin-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.task-number {
  background-image: linear-gradient(135deg, #000 30%, #000 100%);
  width: 30px;
  height: 30px;
  font-size: 18px;
  color: #fff;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  margin-right: 15px;
}

.task-number-active {
  background-image: linear-gradient(135deg, #1ebbf0 30%, #39dfaa 100%);
}

.task-note-last {
  font-style: italic;
}

.list-group-horizontal li.list-group-item img {
  width: 17px;
  height: 17px;
}

.list-group-horizontal li.list-group-item.tf-active img {
  filter: brightness(0) invert(1);
}

h1 {
  margin-bottom: 20px;
}

.user_thumbnail_info {
  width: 120px;
  float: left;
}

.user_thumbnail_info_0 {
  margin: 7px 0 7px 0;
  color: gray;
}

.user_thumbnail_info_0 a {
  color: #282c06;
  border-bottom: 1px dotted;
}

.user_thumbnail_truyen {
  position: relative;
  float: left;
  text-align: center;
  margin-right: 25px;
  width: 100px;
  height: 200px;
  top: 10px;
  border-radius: 8px;
}

.user_thumbnail_truyen img {
  width: 100px;
  height: 150px;
  display: block;
  float: left;
  margin-bottom: 15px;
  border-radius: 8px;
}

label[for="user_upload_thumbnail"] {
  position: absolute;
  bottom: 0px;
  right: 0px;
  left: 0px;
  width: 100%;
  padding: 5px 10px;
  border-radius: 30px;
  color: white;
  background-image: linear-gradient(135deg, #00000078 30%, #7467548c 100%);
  margin-left: auto;
  margin-right: auto;
  border: white 1px solid;
}

@media (min-width: 768px) {
  .user_thumbnail_truyen {
    width: 140px;
    height: 210px;
    top: auto;
    float: right;
    margin-right: 0px;
  }

  .user_thumbnail_truyen img {
    width: 140px;
    height: 210px;
  }

  label[for="user_upload_thumbnail"] {
    bottom: 0px;
    border-radius: 0px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    margin-bottom: 0px;
    border: unset;
    background-image: linear-gradient(135deg, #000000ab 30%, #7467548c 100%);
  }
}

h2 .icon-fullvip {
  text-shadow: none;
  color: gray;
}