Based on the information provided, it seems like you are looking for guidance on designing a website header. Here's a breakdown of the elements you've mentioned:

• Logo left: This means that the logo of your website should be positioned on the left side of the header. Make sure it is prominent and easily recognizable.
• Menu center: The main navigation menu should be positioned at the center of the header. This allows users to quickly access the different sections of your website.
• Login & Sign up on the right: The login and sign up options should be placed on the right side of the header. This allows users to easily access their account information.
• Transparent header: It seems like you want the header section to be transparent. This can be achieved by setting the background of the header to transparent using CSS.

When designing your website header, keep in mind that it should be visually appealing, easy to navigate, and functional. Make sure to use a font and color scheme that is consistent with the rest of your website.