Hello,
1) Please add the following code in custom.css file.
.responsive-sidebar-bottom { margin-bottom: 0px; }
Here is a video tutorial how to create custom.css: https://www.youtube.com/watch?v=Qok2zRedRMY&feature=youtu.be.
2) Do you mean a slider on Home Page? Could you please clarify with more details what exactly you want to do and show us screenshots?
Regards, Robert Hall.
