html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 99%;
  background:url(../bg.jpg) top center no-repeat #000;
  font-family: 'Segoe UI';
}
.blue{color:#0000ff;font-size:34px;}
.white{color:white ;font-size:30px;}

.icon {
  position: relative;
  width: 32px;
  height: 32px;
  display: block;
  fill: rgba(51, 51, 51, 0.5);
  margin-right: 20px;
  -webkit-transition: all .2s ease-out;
  transition: all .2s ease-out;
}
.icon.active {
  fill: #E74C3C;
}
.icon.big {
  width: 64px;
  height: 64px;
  fill: rgba(51, 51, 51, 0.5);
}
#wrapper {
  width: 1000px;
  height: 500px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: left;
  -webkit-justify-content: left;
      -ms-flex-pack: left;
          justify-content: left;
  overflow: hidden;
}
#wrappe{width:1000px;height:8%;position:absolute;top:90%;bottom:0;left:0;right:0;margin:auto;background-color:#fff;box-shadow:0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 
#0.24);display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:left;-webkit-justify-content:left;-ms-flex-pack:left;justify-content:left;overflow:hidden;} 
#left-side {
  height: 80%;
  width: 15%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
}
#left-side ul li {
  padding: 5px 5px 0 5px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  line-height: 34px;
  color: rgba(51, 51, 51, 0.5);
  font-weight: 500;
  cursor: pointer;
  -webkit-transition: all .2s ease-out;
  transition: all .2s ease-out;
}
#left-side ul li:hover {
  color: #333333;
  -webkit-transition: all .2s ease-out;
  transition: all .2s ease-out;
}
#left-side ul li:hover > .icon {
  fill: #333;
}
#left-side ul li.active {
  color: #333333;
}
#left-side ul li.active:hover > .icon {
  fill: #E74C3C;
}
#border {
  height: 288px;
  width: 1px;
  background-color: rgba(51, 51, 51, 0.2);
}
#border #line.one {
  width: 5px;
  height: 54px;
  background-color: #E74C3C;
  margin-left: -2px;
  margin-top: 35px;
  -webkit-transition: all .4s ease-in-out;
  transition: all .4s ease-in-out;
}
#border #line.two {
  width: 5px;
  height: 54px;
  background-color: #E74C3C;
  margin-left: -2px;
  margin-top: 89px;
  -webkit-transition: all .4s ease-in-out;
  transition: all .4s ease-in-out;
}
#border #line.three {
  width: 5px;
  height: 54px;
  background-color: #E74C3C;
  margin-left: -2px;
  margin-top: 143px;
  -webkit-transition: all .4s ease-in-out;
  transition: all .4s ease-in-out;
}
#border #line.four {
  width: 5px;
  height: 54px;
  background-color: #E74C3C;
  margin-left: -2px;
  margin-top: 197px;
  -webkit-transition: all .4s ease-in-out;
  transition: all .4s ease-in-out;
}
#lef-side {
  height: 100%;
  width: 25%;
  overflow: hidden;
}
#righ-side {
  height: 100%;
  width: 75%;
  overflow: hidden;
}
#right-side {
  height: 400px;
  width: 85%;
  overflow: hidden;
}
#right-side #first, #right-side #second, #right-side #third, #right-side #fourth {
  position: absolute;
  height: 400px;
  width: 85%;
  -webkit-transition: all .6s ease-in-out;
  transition: all .6s ease-in-out;
  margin-top: -350px;
  opacity: 0;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
      -ms-flex-direction: column;
          flex-direction: column;
}
#right-side #first h1, #right-side #second h1, #right-side #third h1, #right-side #fourth h1 {
  font-weight: 500;
  color: #333;
}
#right-side #first h2, #right-side #second h2, #right-side #third h2, #right-side #fourth h2 {
  font-weight: 400;
  color: #333;
}
#right-side #first p, #right-side #second p, #right-side #third p, #right-side #fourth p {
  color: #333;
  font-weight: 500;
  padding-left: 30px;
  padding-right: 30px;
}
#right-side #first.active, #right-side #second.active, #right-side #third.active, #right-side #fourth.active {
  margin-top: 0px;
  opacity: 1;
  -webkit-transition: all .6s ease-in-out;
  transition: all .6s ease-in-out;
}