css scrollbars

width 100% makes a scroll bar

html form

option SELECTED value="a" preselects a default

html {overflow-x: hidden;}

also, any footer with text-align center and left 17% will cause a horiz scroll bar

how to have a footer at the bottom

#container {
   min-height:100%;
   position:relative;
}

<div id="container">
<contents>
<footer>

</div>  <!-- end container -->