Any modern website needs to be created using responsive web design to be "mobile friendly" and work well on mobile devices, tablets and desktops. As such, minimal, clean and responsive web design is the popular trend, highlighted in the examples below.
Responsive web design automatically resizes, hides, shrinks or enlarges elements of a website to look good on all devices. If you view any of the examples above on a desktop screen, you can resize the browser to see how the website changes depending on the width of the window. There are plenty of online responsive web design testers, but if you want to check your own website, try Google's Mobile Friendly Test.