emmet notes:https://code.visualstudio.com/docs/editor/emmet css权威指南总结：https://github.com/Jack-Sparrow/CSS-The-Definitive-Guide-4th-zh-CN css from MDN: https://developer.mozilla.org/en-US/docs/Learn/CSS/Introduction_to_CSS
sample website: https://australiaitgroup.github.io/jrprofile/#home
Requirements: HTML 5 CSS Bootstrap
Notes: this project will mainly focus on using bootsrap although BEM class naming is applied
Stage 1: Front page