chat/_src/components/chatRoom/chatRoom.scss

.c-view{
  height: 100%;
  background: #eeeeee;
  //width: 716px;
  width: 100%;
  position: relative;
}

.box{
  @include webkitbox(2);
  .btn-join{
    padding: 20px 0;
    color: #438aff;
    font-size: 16px;
    text-align: center;
    background: #ffffff;
    cursor: pointer;
    &:hover{
      background: #fefefe;
    }
  }
}

.box-hd{
  .title-wrap{
    position: relative;
    padding: 10px 0;
    border-bottom: 1px solid #d6d6d6;
    font-size: 14px;
    color: #000;
    text-align: center;
    line-height: 40px;
    height: 40px;
  }
  .icon-link{
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-left: 10px;
    vertical-align: middle;
    background: url(../../assets/icon-link.png) no-repeat;
    &:hover{
      text-decoration: none;
      opacity: 0.8;
    }
  }
}

.box-bd{
  flex: 1;
  position: relative;
  .bar{
    position: absolute;
    width: 100%;
    top: 0;
    bottom: 0;
    padding: 0 0 0 9px;
    overflow-y: scroll;
    box-sizing: border-box;
    &::-webkit-scrollbar {
      width: 8px;
      height: 6px;
    }
    &::-webkit-scrollbar-thumb {
      border-radius: 3px;
      -moz-border-radius: 3px;
      -webkit-border-radius: 3px;
      background-color: rgba($color: #8d8a8a, $alpha: 0.2);
    }
    &::-webkit-scrollbar-track {
      background-color: transparent;
    }
  }
  .msg-unread{
    border-radius: 20px;
    background: rgba(#000000, 0.5);
    padding: 0 10px;
    text-align: center;
    line-height: 32px;
    position: absolute;
    width: 120px;
    left: 50%;
    bottom: 10px;
    margin-left: -65px;
    cursor: pointer;
    &:hover{
      background: rgba(#000000, 0.3);
    }
    em{
      color: #ffffff;
      font-size: 14px;
    }
    i{
      transform: rotate(90deg);
      margin-right: 5px;
    }
  }
}

.el-icon-more{
  float: right;
  width: 40px;
  height: 40px;
  line-height: 40px;
  cursor: pointer;
  color: #333333;
  font-size: 20px;
}

.msg-wrap{
  box-sizing: border-box;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 16px;
  overflow: hidden;
}

.msg-top-more{
  margin-top: 10px;
  text-align: center;
  i{
    font-size: 30px;
  }
  em{
    font-size: 12px;
    line-height: 24px;
    color: #999999;
  }
}
.msg-loading-icon{
  display: block;
  background: url('../../assets/loading-icon.png') no-repeat;
  background-size: 100%;
  width: 16px;
  height: 16px;
  margin: 20px auto;
  animation: rotate 2s linear infinite;
}