Please install this plugin to add easy shortcode columns layout which will fit in multiple viewports:
eVision Themes Responsive Columns Layout Shortcodes

Two Column

Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur

Three Column

Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur

Four Column

Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur