- Day11：[文字設定（font-size、line-height）](https://hackmd.io/HA9OsNUBTA-_gFkyhP16Mw)
- Day12：[整合相同樣式](https://hackmd.io/oQuL4PaIRL6nxGgfKqgC5A)
- Day13：[文字設定（font-family、font-weight、font-style）](https://hackmd.io/G8NsFCX9RWaAF79RR7Dtog)
- Day14：[垂直水平置中](https://hackmd.io/fRdT_JKjSmCgAVyfFpdAvA)
- Day15：[flex 多屬性練習](https://hackmd.io/snISuELARiqUNM7XPBSHjg)
<br>
- Day16：[flex 完成九宮格排版](https://hackmd.io/lgeLd_-mTwmM2X5SY-Siag)
- Day17：[background-image](https://hackmd.io/9zCoS9zGTJ6OpY47-LCb-g)
- Day18：[container 容器應用](https://hackmd.io/qP262K6VTLqEzEL4Ttyq4A)
- Day19：[線上 icon 載入](https://hackmd.io/618LmR-UQfSKzUMdhNvIKg)
- Day20：[CSS 權重覆蓋](https://hackmd.io/c-2Ziw9LQ8289pEFcFDbLg)