wordpress theme full width not working

hi friends,
I am running some information website at https://sarkarinaukrihub.com/
the theme is 100% customized by me but i am unable to fix its width issue.

it is showing in center in the browser but i wanted to expand its width to touch the both vertical lines of the browser.
here is my code, pls help

body { text-align: center; background-color:#808080; font-family: Tahoma;}
#wrap { width: auto; font-size:14px;
border-left: 1px solid #cbdde1;
border-right: 1px solid #cbdde1;
border-top: 1px solid #cbdde1;
border-bottom: 1px solid #cbdde1;
background: #FFFFFF url(images/bgcontainer.gif)
repeat-x top;
margin-right: 0;
margin-left: 0;
margin-left: 0;
text-align: left;
margin:0 auto;
}