.btn.btn-warning {
  color: #fff;
}
.header-btn-group {
  padding: 0 15px;
}
.btn.btn-outline-primary.client {
  background-color: #099;
  color: #fff;
  border-color: #00b3b3;
}
.btn.btn-outline-primary.client:active {
  background-color: #00b3b3;
  border-color: #00b3b3;
}
.btn.btn-outline-primary.client:active:focus,
.btn.btn-outline-primary.client:focus,
.btn.btn-primary.client:active:focus,
.btn.btn-primary.client:focus {
  box-shadow: 0 0 0 0.2rem rgb(0 179 179 / 50%);
}
.btn.btn-primary.client {
  background-color: #00b3b3;
  border-color: #00b3b3;
}
.btn.btn-primary.client:hover {
  background-color: #00a7a7;
  border-color: #00a7a7;
}
.btn.btn-primary.client:active {
  background-color: #009292;
  border-color: #009292;
}
.page-header {
  width: 1024px;
  background: #fff;
  margin: 30px auto -15px;
  padding: 15px 30px;
}
.header-btn {
  margin-left: 10px;
}
.form {
  padding: 20px 20px 0;
}
.video-list {
  margin: 0 20px 30px;
}
.video-list > .list-group-item {
  padding-left: 0;
  padding-right: 0;
}
.video-list.grid {
  display: block;
}
.video-list.grid .list-group-item {
  border: 0;
  width: 250px;
  margin: 0 20px 0 0;
  padding: 0;
}
.list-group-item .video-cover {
  border: 1px solid #d5d5d5;
  padding: 5px;
  height: 160px;
  margin-bottom: 20px;
  box-shadow: 3px 3px 5px rgb(0 0 0 / 15%);
}
.video-cover > img {
  display: block;
  height: 100%;
  width: 100%;
}
.video-info {
  font-size: 14px;
}
.list-group-item .item-right {
  white-space: nowrap;
}
.list-group-item .item-title {
  padding-right: 20px;
}
.item-right select {
  width: auto;
  vertical-align: middle;
}
.page-info {
  width: 1024px;
  background: #fff;
  margin: 20px auto;
}
.page-content {
  padding: 20px;
}
.title .desc {
  font-size: 13px;
  padding-left: 20px;
  margin-bottom: 0;
}
.author {
  padding: 20px 0;
  margin-bottom: 20px;
}
.author .avatar {
  width: 30px;
  height: 30px;
  vertical-align: middle;
  border-radius: 50%;
  margin-right: 10px;
}
.author .btn {
  margin-left: 20px;
}
.info-text {
  font-size: 13px;
}
.course-content {
  padding: 30px 0;
  font-weight: 600;
}
.info-text {
  margin-bottom: 20px;
}
.pay-box {
  margin-top: 30px;
  font-size: 14px;
  background: #f7f7f7;
  border-radius: 10px;
  padding: 0 14px;
  height: 50px;
}
.pay-box .price {
  margin: 0 12px;
}

/*********** 以下是每节课的css ***********/
/*********** 以下是每节课的css ***********/
/*********** 以下是每节课的css ***********/

.video-list.user > .list-group-item {
  background: #f7f7f7;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 0;
  padding-left: 20px;
  padding-right: 20px;
}
.video-list.grid {
  display: block;
}

.list-group-item .item-title {
  padding-right: 20px;
  color: #666;
}
.list-group-item a.item-title {
  color: #333;
  cursor: pointer;
}
.list-group-item label.item-title {
  margin-bottom: 0;
}
.list-ol {
  font-size: 14px;
}
.list-ol ol {
  padding-left: 15px;
  margin-bottom: 20px;
}
.list-group input[type="checkbox"] {
  margin-right: 10px;
  vertical-align: middle;
}