.app-header {
    background-color: white !important;
  }
  
  .main-menu {
    padding-left: 6% !important;
    padding-right: 6% !important;
    background-color: #1976d2 !important;
    color: #f5f5f5 !important;
  }
  
  .button-group {
    float: right;
  }
  
  .main-header {
    width: 1200px;
    background-color: white !important;
    height: 70px;
    line-height: 70px;
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .App-logo {
    width: 151px;
    height: 40px;
    float: left;
  }
  
  .top-main {
    display: flex;
    align-items: center;
  }
  
  .title {
    line-height: 64px !important;
    display: inline;
    color: #03a9f4 !important;
  }