* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  word-break: break-all;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
ul,
ol {
  list-style-type: none;
}
img {
  width: 100%;
}
body {
  margin: 0;
}
a {
  text-decoration: none;
  color: #333;
}
.clearfix:after {
  content: '';
  display: block;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  clear: both;
}
header {
  padding: 20px 0;
  line-height: 24px;
  font-weight: bold;
  padding: 4%;
  color: #333;
}
article {
  padding: 0 4%;
  line-height: 28px;
  color: #666;
  font-size: 15px;
  font-weight: 550;
}
article p {
  margin: 30px 0 10px 0;
}