.site-layout .site-layout-background {
  background: #fff;
}

[data-theme="dark"] .site-layout .site-layout-background {
  background: #141414;
}

/*
.ant-menu-item.ant-menu-item-only-child.ant-menu-item:link {
  background-color: red;
}

.ant-menu-item.ant-menu-item-only-child.ant-menu-item:visited {
  background-color: red;
}
*/
.logout {
  position: absolute;
  right:15px;
  top:15px;
  text-align: center;
  justify-content: center;
}