/* ============================================================
  RESET - http://meyerweb.com/eric/tools/css/reset/
============================================================ */

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
 vertical-align: baseline; 
}

/* HTML5 display-role reset for older browsers */


article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}


ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}


blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}



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

/* ============================================================
  BOX SIZING & CLEARFIX
============================================================ */


/* ============================================================
  HTML & BODY
============================================================ */
body {
  background-color: #1e1e1e;
  color: #505050;
  font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}


/* ============================================================
  PRIMARY STRUCTURE
============================================================ */

.wrapper {
  width: 100%;
  margin: 0 auto;
}



main {
top:20px;
   width:960px;
  padding: 0 20px;
  display: block;
  background-color: #fff;
}



.container {
  width: 100%;
 max-width: 960px;
  
margin: 0 auto;  padding: 0 20px;
}






/* ============================================================
  FOOTER
============================================================ */
footer {
 
  padding: 80px 0;
}
footer .asides {
  margin-bottom: 20px;
}
footer aside {
  margin-bottom: 10px;
}
footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
footer nav li {
  display: inline-block;
}
footer nav a {
  display: block;
  margin: 0 5px;
  color:gray;
}
footer .logo {
  text-align: center;
}
footer .logo img {
  display: inline-block;
  vertical-align: middle;
}
footer .copyright {
  text-align: center;
}
footer .copyright small {
  color: #ooo;
  font-size: 12px;
}
footer .copyright a {
  color:gray;
}

@media all and (min-width: 600px) {
  footer aside {
    margin-bottom: 0;
    float: left;
    width: 33.3333%;
  }
  footer nav ul {
    text-align: left;
  }
  footer nav li {
    display: block;
  }
  footer nav a {
    display: inline-block;
    margin: 0;
  }
  footer .logo {
    text-align: right;
  }
}



/* ============================================================
  INFO BAR
============================================================ */

.info-bar {
  position:relative;
  width:100%;
  height: 110px;
  
  top: 5px;
  padding: 0px 0;
  background-color: #1f2e2e;
  text-align: center; border: 0px solid #661a00;
   border-top: none;
}

.info-bar .cmn-tut {
  background-position: 0 0;
}
.info-bar .cmn-prev {
  background-position: -30px 0;
}
.info-bar .cmn-next {
  background-position: -60px 0;
}
.info-bar .cmn-download {
  background-position: -90px 0;
}
.info-bar .cmn-archive {
  background-position: -120px 0;
}
.info-bar .icon[data-title]:after {
  opacity: 1;
}
.info-bar .icon[data-title]:hover:after {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20px;
  content: attr(data-title);
  padding: 5px 10px;
  background-color: #fff;
  color: #000;
  font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-size: 12px;
  white-space: nowrap;
}