.ant-timeline-item-head.ant-timeline-item-head-blue {
  margin-top: 12px;
  border-color:rgba(0, 0, 0, 0.65);
  background-color:#ccc;
}
.ant-timeline-item-tail{
  border-color:#ccc;
}
/*.left-menu {
  .ant-menu {
    background:#1c1f27;
    .ant-menu-item,.ant-menu-submenu {
      background:#1c1f27;
      .main-menu {
        font-size: 14px;
        font-family:"Microsoft YaHei";
        color:#b8c7ce;
      }
      .anticon {
        font-size: 18px;
      }
      &:hover {
    !*    background:#108ee9;
        opacity: 0.35;*!
        background-color: #474d4f;
        .main-menu {
          color:#ffffff;
        }
      }
    }
    .ant-menu-item-selected {
      background-color: #374850!important;
      .main-menu {
        color:#ffffff;
      }
    }
 }
}*/