style_3.css

* {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

body {
  font-size: 10px;
  font-family: Helvetica, Arial, sans-serif;
}

h1 {
  font-size: 1.6rem;
  line-height: 2.0rem;
  margin-bottom: 0.2rem;
}

h2 {
  font-size: 1.4rem;
}

h3 {
  font-size: 1.2rem;
}

p {
  font-size: 1.0rem;
}

li {
  font-size: 1.0rem;
  list-style-type: none;
}

h2, h3, p, li {
  line-height: 1.6rem;
  margin-bottom: 0.2rem;
}

a {
  outline: none;
  text-decoration: none;
  padding: 2px 1px 0;
}

a:link {
  color: inherit;
}

a:visited {
  color: #437A16;
}

a:focus {
  border-bottom: 1px solid;
  background: #BAE498;
}

a:hover {
  border-bottom: 1px solid;
  background: #CDFEAA;
}

a:active {
  background: #265301;
  color: #CDFEAA;
}

.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  visibility: hidden;
  clear: both;
}

body {
  height: 100vh;
  background-color: #bed742;
  background-image: url(https://ws3.sinaimg.cn/large/6f8a2832gy1fqrnfj5nddj21hc0pik7z.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-size: cover;
  padding-top: 20px;
}

#main_wrapper {
  width: 960px;
  margin: 0 auto;
  background-color: #fffef9;
}

#firstcolwrap section {
  padding: 20px 30px;
  color: #fff;
  background-color: #4f5555;
}

#secondcolwrap section {
  width: 960px;
  border-bottom: 2px solid #a1a3a6;
}

#secondcolwrap section > * {
  padding-top: 20px;
  padding-left: 10px;
}

#secondcolwrap h2 {
  float: left;
  width: 160px;
  height: 140px;
  text-align: center;
  background-color: #8a8c8e;
  margin-bottom: 0;
}

#secondcolwrap ul {
  float: left;
  width: 800px;
  background-color: #fffef9;
}

#basic_information li, #contact_information li {
  float: left;
  padding-right: 50px;
}

#secondcolwrap .skill_wrap, #secondcolwrap .education_wrap, #secondcolwrap .project_wrap {
  float: left;
  width: 800px;
}

.inner h3 {
  float: left;
}

.inner p {
  float: left;
}