sup {
    vertical-align: text-top
    }
sub {
    vertical-align: text-bottom
    }
hr {
    margin: -8px auto 11px
    }
img {
    -ms-interpolation-mode: bicubic
    }
.clearfix {
    display: inline-block
    }
* html .clearfix {
    height: 1%
    }
fieldset {
    padding-top: 0
    }
legend {
    margin-top: -0.2em;
    margin-bottom: 1em;
    margin-left: -0.5em
    }