body {
  padding-top: 50px;
}

.starter-template {
  padding: 40px 15px;b
  text-align: center;
}

.navbar-collapse {
  text-align: center;
  width: 100%;
}

.navbar-nav li {
  height: 100%;
  text-align: center;
  vertical-align: middle;
  width: 14.285%;
  display: inline;
  font-size: 18px;
  list-style: none;
  /*去掉圆点*/
}
.navbar-nav>li>a{

  line-height: 40px;

  padding: 5px 5px 5px 5px;
vertical-align:middle;
  text-align: center;


}

.navbar-nav {
  display: inline-table;
  width: 100%;
  text-align: center;
}


  /* Everything but the jumbotron gets side spacing for mobile first views */
  .header,
  .marketing,
  .footer {
    padding-right: 15px;
    padding-left: 15px;
  }

  /* Custom page header */
  .header {
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e5e5;
  }
  /* Make the masthead heading the same height as the navigation */
  .header h3 {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 40px;
  }
.container-fluid>.navbar-collapse, .container-fluid>.navbar-header, .container>.navbar-collapse, .container>.navbar-header {

      margin-left: 0px;
}


  /* Custom page footer */
  .footer {
    padding-top: 19px;
    color: #777;
    border-top: 1px solid #e5e5e5;
  }

  /* Customize container */
  @media (min-width: 768px) {
    .container {
      max-width: 1100px;
      /* 总宽度 */
    }
  }
  .container-narrow > hr {
    margin: 30px 0;
  }

  /* Main marketing message and sign up button */
  .jumbotron {
    box-shadow: 0px 0px 10px #888888;
    text-align: center;
    border-bottom: 12px solid #ffffff;
    background-color:#ffffff;
  }
  .jumbotron .btn {
    padding: 14px 24px;
    font-size: 21px;
  }
  .jumbotron > ul > li{
    text-align:justify;text-justify:inter-ideograph;
  }

  /* Supporting marketing content */
  .marketing {
    margin: 40px 0;
  }
  .marketing p + h4 {
    margin-top: 28px;
  }

  /* Responsive: Portrait tablets and up */
  @media screen and (min-width: 768px) {
    /* Remove the padding we set earlier */
    .header,
    .marketing,
    .footer {
      padding-right: 0;
      padding-left: 0;
    }
    /* Space out the masthead */
    .header {
      margin-bottom: 130px;
    }
    /* Remove the bottom border on the jumbotron for visual effect */
    .jumbotron {
      border-bottom: 0;
    }
  }
.carousel.slide{
box-shadow: 0px 0px 5px #888888;
border:0.5px solid;
border-radius:3px;

}
.carousel-indicators{
/*圆点位置*/
      bottom: 4px;
}
.jumbotron h4{
font-size:24px;

}
.jumbotron p{
  font-size:18px;
text-align:justify;

}

/*主讲人图片*/
.placeholders {
  margin-bottom: 30px;
  text-align: center;
  padding-left: 5px;
  padding-right: 5px;
}
.placeholders h4 {
  margin-bottom: 0;
}
.placeholder {
  margin-bottom: 20px;
  padding-left: 5px;
  padding-right: 5px;
  min-height: 225px;
}
.placeholder img {
  display: inline-block;
  border-radius: 50%;

  box-shadow: 2px 2px 5px #888888;
}
.tableA{

text-align:center;
border-top: 1px solid #9a9a9a;
margin-bottom:0px;
}
.table > thead > tr > th, .table > tbody > tr > th, .table > tfoot > tr > th, .table > thead > tr > td, .table > tbody > tr > td, .table > tfoot > tr > td {
    padding: 4px;
    vertical-align: middle;}

.table > thead > tr > th, .table > tbody > tr > th, .table > tfoot > tr > th, .table > thead > tr > td, .table > tbody > tr > td, .table > tfoot > tr > td{
border:1px solid #9a9a9a; vertical-align: middle;
}
.table > caption + thead > tr:first-child > th, .table > colgroup + thead > tr:first-child > th, .table > thead:first-child > tr:first-child > th, .table > caption + thead > tr:first-child > td{
  text-align: center;vertical-align: middle;

}
.navbar-inverse .navbar-nav>.active>a, .navbar-inverse .navbar-nav>.active>a:focus, .navbar-inverse .navbar-nav>.active>a:hover {
    color: #fff;
    background-color: #3b8dbd;
}

.text-muted {
    color: #4bbdd0;
}


.trcontainer {

width: 100%;

margin-left: 0;

overflow: hidden;



}
.trcontainer ul{
padding-left: 0px;

}


.trcontainer ul li{
list-style-type: none;

}
.trcontainer ul li img{
border-radius: 5%;
border: 1px solid #ccc;
width: 100%;
}


.trcontainer span {
  padding: 1%;
margin: 1%;
display: block;

width: 48%;
border: 1px solid #ccc;
border-radius: 5%;
background-color: #f4f4f4;

float: left;

}

.trcontainer2 {
z-index:999;
width: 100%;

margin-left: 0;

justify-content:center;



}

.trcontainer2 button {
  padding: 1%;
margin: 1%;
display: block;

width: 38%;
border: 1px solid #ccc;
border-radius: 5%;
background-color: #f4f4f4;

float: left;
padding: 0px;




}

.jumbotron button{

border: 0px solid #ffffff;
background-color: #ffffff;

}
.trcontainer2 button{


}