@import url(../../css/bootstrap.min.css);
@import url(../../css/style.css);
.fl {
  float: left; }

.fr {
  float: right; }

i {
  font-style: normal; }

input, button {
  outline: 0;
  border: 0;
  background: inherit; }

header {
  box-shadow: 1px 1px 5px 0px rgba(0, 0, 0, 0.05);
  background: white; }

h3 {
  margin: 0; }

.wrap .contain {
  width: 1000px; }

.search-title {
  width: 100%;
  height: 50px;
  line-height: 50px; }
  .search-title span {
    font-size: 14px;
    color: #333333; }
    .search-title span:nth-of-type(2) {
      padding-left: 10px;
      position: relative; }
      .search-title span:nth-of-type(2):before {
        content: '';
        display: inline-block;
        width: 8px;
        height: 15px;
        background: url(../../img/css-sprite.png) no-repeat -97px -65px;
        position: absolute;
        left: 0px;
        top: 4px; }

.center {
  max-width: 1000px;
  background: white;
  padding: 40px;
  margin-bottom: 60px; }
  .center h3 {
    font-size: 24px;
    color: #333333;
    font-weight: 700; }
  .center .chrome-img {
    margin: 40px 0; }
  .center .upload {
    font-weight: 700;
    margin: 40px auto; }
    .center .upload a {
      color: #4d8cf5;
      text-decoration: underline;
      font-weight: 500; }
  .center p {
    font-size: 16px;
    color: #333333; }
    .center p:nth-of-type(3) {
      margin-bottom: 20px; }
    .center p.info {
      line-height: 28px; }
  .center .teacher img {
    margin-left: -12px; }

/*# sourceMappingURL=tool-introduction.css.map */