css - something is causing a horizontal overflow on the body, but I can't tell what it is? -

in page below, causing padding on body or html on right , overflow causing scroll on x axis.

how can remove overflow?

i've applied

html, body{     margin:0;     padding:0; } 

here page: https://dl.dropboxusercontent.com/u/270523/help/new.html

does know causing overflow / space right, inside document , how remove it?

to repaire 5% margin overflow, suggest changing css #searchinput add display:block; , change margins margin:0px auto;.

#searchinput {   ...   display: block;   margin:0px auto; }