html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}
html {
  background: #333;
  color: #999;
  font: 12px/1.5em arial, helvetica, sans-serif;
}
body {
  font-size: 100%;
  text-align: center;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
nav,
section {
  position: relative;
  display: block;
  z-index: 1;
  margin: 0;
  padding: 0;
  zoom: 1;
}
header ul,
footer ul,
nav ul {
  list-style: none;
}
#main {
  text-align: left;
}
.grid {
  margin: 30px 0;
  padding: 5px 0;
  background: #f30;
  color: #fff;
  clear: both;
}
.grid-320 {
  width: 320px;
  min-width: 320px;
}
.grid-640 {
  width: 640px;
  min-width: 640px;
}
.grid-768 {
  width: 768px;
  min-width: 768px;
}
.grid-1024 {
  width: 1024px;
  min-width: 1024px;
}
.grid-2048 {
  width: 2048px;
  min-width: 2048px;
}
/* webkit only scrollbar styles */
::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.5);
}