.fixed-nav-bar {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', SimSun, sans-serif;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 260px;
    height: 40px;
    background-color: #ffffff;
    border-bottom: 1px solid #e2e5e7;
    margin-left: 8px
  }


.fixed-nav-bar .logo {
    width: 15%;
    padding: 10px 20px;

}