Add "Magic" example to Chapter 1: The Box on creating flexible inputs with paddings/width-of-mixed-units using the power of `box-sizing: border-box`
Add "Magic" example to Chapter 1: The Box on creating flexible inputs with paddings/width-of-mixed-units using the power of `box-sizing: border-box`
azshamy/magic-of-css,zacchen/magic-of-css,adamschwartz/magic-of-css,azshamy/magic-of-css,dongguangming/magic-of-css,cbrauns/magic-of-css,joker8999/magic-of-css,AkimSolovyov/magic-of-css,AkimSolovyov/magic-of-css,adamschwartz/magic-of-css,Beabel2/magic-of-css,dongguangming/magic-of-css,cbrauns/magic-of-css,Beabel2/magic-of-css,AkimSolovyov/magic-of-css,joker8999/magic-of-css,dongguangming/magic-of-css,zacchen/magic-of-css,azshamy/magic-of-css,Beabel2/magic-of-css,joker8999/magic-of-css,adamschwartz/magic-of-css,zacchen/magic-of-css,cbrauns/magic-of-css