.exercise-item{
  background: #eeeeee;
  border-radius: 4px;
  padding: 10px 12px;
}
.title{
  font-weight: 550;
  margin-bottom: 4px;
}
.left-time{
  font-size: 14px;
}
.tip{
  font-size: 12px;
  border-radius: 36px;
  background: #00b0f0;
  color: white;
  padding: 2px 6px;
  margin-right: 6px;
}