#gallery { display: block; position: relative; width: 700px; margin: 100px auto; padding: 50px; background: transparent url(../../../src/img/body_bg_white.png) repeat; text-align: left; font-size: 0; }

@media all and ( max-width: 799px )
{
    #gallery { padding: 25px; margin: 25px auto; }
    #gallery
	{
		width: auto;
		width: -webkit-calc( 90% - 50px );
		width:    -moz-calc( 90% - 50px );
		width:         calc( 90% - 50px );
	}
}

    /* titulo */
    #gallery h1 { display: block; position: relative; font-family: 'Arial-Bold', Arial, sans-serif; font-size: 20px; text-align: left; margin: 0 0 35px 0; }

    /* itens */
    #gallery div.item { display: inline-block; position: relative; width: 130px; height: 100px; margin: 5px; }
        #gallery div.item a { display: none; position: absolute; top: 0; left: 0; width: 100%; height: 100%; margin: 0; }
        #gallery div.item a:first-child { display: block; }