"serious style" is correct and usable in written English.
You can use it, typically in informal contexts, to refer to a style or attitude that is solemn or serious, for example "She had a very serious style of dress which showed her level of respect for the event".
Get the boxset and take to your sofa to make some serious style notes.
But Cuba, where Chanel staged their Cruise show, had a serious style moment.
You may be drawn to someone with a more reserved and serious style, or want an encouraging cheerleader.
And while the term "glamping" may not be common parlance yet, the Italians are already doing it in serious style.
It is amusing also to think of it as satirizing a ponderously serious style of performance art.
She explains how she brought about some change to the page in Sexing it up in serious style.
More elite and serious styles flourished too, though in changed form.
It includes not only regular trims and cuts, but also blowouts for daily life and more serious styles for parties.
Niccolò Piccinni, (born Jan . 16 1728, Bari, Kingdom of Naples died May 7 ,1800, Passy, Fr)., one of the outstanding opera composers of the Neapolitan school, who wrote in both the comic and the serious styles but who, in the century following his death, was chiefly remembered as the rival of Gluck.
Many hairstyles in the emo subculture often require high maintenance or serious styling to build sufficient volume through teasing, so pick a simple style that you can work with.
It is phrases like these that led a writer for New York magazine to describe the principles as "written in a digressive, self-serious style that reads as if Ayn Rand and Deepak Chopra had collaborated on a line of fortune cookies".
