.paper div {
  position: relative;
  height: 50px;
  border-bottom: 1px solid #ddd;
}
.paper div span {
  font-size: 18px;
  font-weight:500;
  height: 50px;
  line-height: 50px;
}
.paper span,
.paper a {
  position: absolute;
  color: #333;
  font-size: 16px;
  top: 0;
}
.paper ul li {
  position: relative;
  height: 80px;
  line-height: 80px;
  border-bottom: 1px solid #eee;
}
.paper ul li:hover .do::after {
  opacity: 1;
  left: 0;
}
.paper ul li span {
  display: inline-block;
  height: 100%;
  line-height: 80px;
  color: #666;
}
.paper .author {
  left: 543px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  width: 150px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.paper .name {
  color: #333;
}
.paper .name a{
  display: inline-block;
  width: 462px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.paper .from {
  left: 742px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  width: 200px;
}
.paper .time {
  right: 146px;
  display: inline-block;
  width: 90px;
  text-align: left;
}
.paper .do {
  right: 0;
  display: inline-block;
  width: 64px;
  text-align: left;
}
.paper .do:After {
  position: absolute;
  content: '→';
  width: 100%;
  left: -100%;
  transition: all .6s ease;
  top: 0;
  height: 100%;
  background-color: #fff;
  color: #e42626;
  opacity: 0;
  text-align: center;
  font-size: 24px;
}

.paper{
  min-height: 350px;
  padding-top: 30px;
  padding-bottom: 30px
}