ck; }
audio:not([controls]) { display: none; height: 0; }
[hidden] { display: none; }
html { background: #fff; color: #000; font-family: sans-serif; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; }
body { margin: 0; }
a:focus { outline: thin dotted; }
a:active, a:hover { outline: 0; }
h1 { font-size: 2em; margin: 0.67em 0; }
abbr[title] { border-bottom: 1px dotted; }
b, strong { font-weight: bold; }
dfn { font-style: italic; }
hr { -moz-box-sizing: content-box; box-sizing: content-box; height: 