how i remove completelly the left margin of my form?

Hello, i need remove completelly the left margin on my form, can someone help me?

Inject the following CSS code as explained on this guide: http://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes 

.form-all{

    margin-left: 0px !important;

}

Open a new thread if you need anything else, we will be glad to assist you.