@font-face {
  font-family: 'Montserrat';
  src: url('fonts/Montserrat-Regular.eot');
  src: url('fonts/Montserrat-Regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */ url('fonts/Montserrat-Regular.woff') format('woff'), /* Pretty Modern Browsers */ url('fonts/Montserrat-Regular.ttf') format('truetype');
}

html, body {
  margin: 0px;
  padding: 0px;
  width: 960px;
  font-family: 'Montserrat', sans-serif;
}
.menu {
  overflow: hidden;
  margin: 0px auto;
}
.menu h1 {
  text-align: center;
  font-size: 24px;
}
.menu h2 {
  text-align: center;
  font-size: 30px;
  font-weight: normal;
}
.menu ul {
  list-style: none;
  width: 620px;
  margin: 0px auto;
  padding: 0px;
  text-align: center;
}
.menu ul li {
  display: inline-block;
  padding: 2px;
  text-align: center;
  border: 1px solid #333;
  border-radius: 20px;
  margin-left: 15px;
  margin-bottom: 20px;
  line-height: 20px;
  font-size: 11px;
  box-sizing: border-box;
  cursor: pointer;
  width: 220px;
  height: auto;
}
.menu ul li:hover {
  text-decoration: underline;
}
.menu ul li.active {
  //text-decoration: underline;
  background-color:#d7d7d7;
}

#tree_wrap {
  height: 690px;
  transition: all 0.5s ease-in;
}

footer{
  width:620px;
  margin:10px auto;
  overflow:hidden;
}

footer p{
  width:auto;
  color:#333;
  font-size:11px;
  margin:0px;
  padding:0px;
  margin-top: 15px;
  float:right;
}

footer p a{
  text-decoration:none;
  color:#333;
}


footer p a:hover{
  text-decoration:underline;
  color:#333;
}

footer > a{
  display:block;
  float:right;
  width:24px;
  height:24px;
  background-image:url('ico.jpg');
  margin-left:5px;
  margin-top:5px;
}

footer > a:nth-child(2){
  background-position: -24px 0px;
}

img {
  width: 30%;
  height: auto;
}