.about {
  margin: 50px auto 20px;
}
.item{
  padding: 10px 0;
}
.profile{
  margin-top: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.title{
  font-weight: 700;
  font-size: 20px;
}
.time{
  text-align: right;
}
.short{
  height: 3em;
  margin-top: 20px;
}
.item .short p {
display: -webkit-box;
text-overflow:ellipsis;
overflow: hidden;
-webkit-line-clamp:2;
-webkit-box-orient:vertical;
}
.comment p{
  margin-right: 150px;
}
@media (max-width: 767px) {
  .item {
      padding: 20px 0;
  }
  .comment p{
      margin-right: 0;
  }
  .time{
      text-align: left;
  }
}