modify Website Small changes

I have a developed website in HTML 5, Css and JS. I would like to do some changes in the design and implementation including content display and animations. 1- intro page, (begin your story) to be at the left, remove the border and make orange color and bigger font size 2-approach page, is missing the lamp at the page header like other pages 3- approach page, it's showing a scroll bar around the sections when the page is loading needs to be removed 4- the major change is to redesign the about us page first section (about us, vision and mission) will use the same text in page but need new design concept for the first section, (maybe it can be like info-graphic) we need to stick to the main colors in the site *Kindly maintain the responsive in pages you modify and make sure it does not affect any other page need it 4 hrs from now