.app-header {
  background-color: white !important;
}

.main-header {
  width: 100%;
  background-color: white !important;
  height: 48px;
  line-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.App-logo {
  width: 151px;
  height: 40px;
  float: left;
}

.top-main {
  display: flex;
  align-items: center;
}