html, body, div,
h1, h2, h3, h4, h5, h6,
p, blockquote,
a, span, img, strong,
dl, dt, dd, ol, ul, li,
fieldset, form, label, input, textarea
{
    border-style: none;
    border-color: inherit;
    border-width: medium;
    margin: 0px;
    padding: 0px;
    outline: 0px;
}

ul, ol, li { list-style-type: none; }

table {
    border-collapse: collapse;
    border-spacing: 0
}

/*------------------------- constant style -----------------------------*/

.left { float: left; }

.right { float: right; }

.clear { clear: both; }

.ct { margin: 0 auto; }

.ac { text-align: center; }

.al { text-align: left; }

.ar { text-align: right; }

.r {
    margin: 0px;
    padding: 0px;
    border: none;
    list-style: none;
}

.none {
    text-indent: -9999px;
    font-size: 1%;
    overflow: hidden;
}

.n { display: none; }

.block { display: block; }

/* constant typography */

.b { font-weight: bold; }