.unread-tips {
  color: #999;
  margin-top: 50px;
}
.message-container {
  margin-top: 20px;
}
.message-container .top-header-title {
  display: flex;
  padding: 20px 0;
  background: #efefef;
  border: 1px solid #999;
}
.message-container .top-header-title span {
  display: inline-block;
  text-align: center;
  margin: 0 15px;
}
.message-container .top-header-title .theme {
  flex: 1;
}
.message-container .top-header-title .sender {
  width: 120px;
}
.message-container .top-header-title .date {
  width: 150px;
}
.message-container .message-group .message-item {
  cursor: pointer;
  border: 1px solid #999;
  border-top: none;
  padding: 20px 0;
  display: flex;
  align-items: center;
}
.message-container .message-group .message-item span {
  display: inline-block;
  text-align: center;
  margin: 0 15px;
}
.message-container .message-group .message-item .sender {
  width: 120px;
}
.message-container .message-group .message-item .theme {
  flex: 1;
}
.message-container .message-group .message-item .status {
  width: 30px;
  height: 30px;
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.message-container .message-group .message-item .status.unread {
  background-image: url(./images/icon_message_unread.png);
}
.message-container .message-group .message-item .status.read {
  background-image: url(./images/icon_message_read.png);
}
.message-container .message-group .message-item .date {
  width: 150px;
}