@mixin border($width:1px, $style:solid, $color:#000) {

border-width: $width;
border-style: $style;
border-color: $color;

}

@mixin shadow {

-moz-box-shadow:    inset 0 0 8px #bbb;
-webkit-box-shadow: inset 0 0 8px #bbb;
box-shadow:         inset 0 0 8px #bbb;

}