* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
html {
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  background-color: #fff;
  font-family: Arial, sans-serif;
  font-size: 14px;
  line-height: 20px;
  color: #333;
}
img {
  max-width: 100%;
  vertical-align: middle;
  display: inline-block;
}