如何删除输入div生成的框？

I am trying to make a search box that for the submit button has a magnifying image on the left of the search box. I am using font awesome to get the image, but when I try to add that in as an input I also get a different box that says submit. I am wondering how I can remove the submit box and just have the magnifying glass. Also, any advice on how to get the magnifying glass to be inside of the search bar besides using absolute positioning would be helpful. I am trying to make a search box that for the s