Kumpulan Link

 1. membuat line tree nested https://codepen.io/bisserof/pen/nrMveb https://www.google.com/amp/s/onaircode.com/html-css-tree-view-examples/amp/ 2. responsive background  https://stackoverflow.com/questions/485827/css-100-height-with-padding-margin 3. kumpulan animas css https://medium.com/@skhans/20-css-tools-for-awesome-animations-in-your-designs-6828b8d8a568

 1. download exe selenium  https://chromedriver.chromium.org/downloads

 1. hitung bahan baku  https://www.tokotalk.com/blog/biaya-bahan-baku/