.bg0{
  background-image: linear-gradient(to bottom right,#FEAC5E, #C779D0,#4BC0C8);/*#FEAC5E, #C779D0,#4BC0C8*/
}
.bg1{
  background-image: linear-gradient(to bottom right, #716da3, #ae5b84, #d76d77);/*#f8cdda, #1d2b64*/
}
.bg2{
  background-image: linear-gradient(to bottom right, #43cea2, #185a9d);/*#43cea2, #185a9d*/
}
.bg3{
  background-image: linear-gradient(to bottom right, #2c3e50, #3498db);/*#2c3e50, #3498db*/
}
.bg4{
  background-image: linear-gradient(to bottom right, #b92b27, #1565c0);/*#b92b27, #1565c0*/
}
.bg5{
  background-image: linear-gradient(to bottom right,#4f2f54,#505587, #755d97);/*#5fc3e4, #e55d87*/
}
.bg6{
  background-image: linear-gradient(to bottom right, #3a1c71, #d76d77, #ffaf7b);/*#3a1c71, #d76d77, #ffaf7b*/
}
.operations{
  position: absolute;
  top: 0;
  right: 0;
  height: 30px;
  width: 32px;
  text-align: center;
}
.course{
  color: white;
  font-size:13px;
  border-radius: 5px;
  padding: 18px 3px 12px 8px;
  position: relative;
  overflow: hidden;
}
.sticky{
  width: 36px;
  height: 18px;
  transform: rotate(-45deg);
  position: absolute;
  background: orange;
  top: -6px;
  left: -16px;
  border-bottom: #f0f0f0 2px solid;
}
.body{
  display: flex;
  padding-right: 6px;
  align-items: center;
}

.avatar{
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  flex: none;
  margin: 0 16px 4px 8px;
  background: #eee; /*for out of network*/
}
.course-info{
  flex: auto;
  width: 10px;
}
.course-name{
  overflow: hidden;
  text-overflow:ellipsis;
  white-space: nowrap;
  font-size: 17px;
  font-weight: bold;
}
.school{
  padding-right: 10px;
}
.info{
  margin: 2px 0;
}
.detail-num{
  margin-right: 12px;
  margin-left: 4px;
}