body {
   
  text-align: center;
 font-size: 14px;
}

a {
  color: #47473c;
  font-family: Lobster;
  font-style: normal;
  text-decoration: none;
  font-size: 14px;
}

a:hover {
  text-decoration: underline;
}

h1 {
  font-family: Lobster;
  font-weight: normal;
  margin: 0;
}

#container {
margin: 0 auto;
width: 100%;height: 98%;
max-width: 900px;
-webkit-perspective: 2000px;
   -moz-perspective: 2000px;
    -ms-perspective: 2000px;
     -o-perspective: 2000px;
        perspective: 2000px;
}
  
  #information {
    margin-top: 1em;
    display: block;
    color: red;
    font-size: 20px;
  }
  
  #navigation a {
    display: inline-block;
    line-height: 2.8em;
    margin-right: 1em;
    width: 40px;
    height: 40px;
    background: rgba(0,0,0,0.1);
    color: #fff;
    border-radius: 40px;
    -webkit-transition: .3s ease-in;
       -moz-transition: .3s ease-in;
        -ms-transition: .3s ease-in;
         -o-transition: .3s ease-in;
            transition: .3s ease-in;
  }
  
  #navigation a.selected, #navigation a:hover {
    background: rgba(0,0,0,.3);
    text-decoration: none;
  }

  #portfolio-item {
    display: none;
  }
  
  #portfolio {
	  height: 50%; overflow: auto;
    margin: 2em 0 1em;
    -webkit-transform-style: preserve-3d;
       -moz-transform-style: preserve-3d;
        -ms-transform-style: preserve-3d;
         -o-transform-style: preserve-3d;
            transform-style: preserve-3d;
  }

  #portfolio div {
    display: inline-block;
    position: relative;
    vertical-align: top;
    margin: 1em;
    width: 12%;
    height: 150px;
    box-shadow: 0px 0px 25px rgba(0,0,0,.3);
  }
  
    #portfolio div span {
      text-align: left;
      position: absolute;
      color: #fff;
      background: rgba(0,0,0,0.2);
      width: 75%;
      padding: 5px 15px 7px;
      z-index: 1;
      left: 0px;
      bottom: 0px;
	  font-size: 12px;
    }
  
  .animated {
    -webkit-transition: .9s ease-out;
       -moz-transition: .9s ease-out;
        -ms-transition: .9s ease-out;
         -o-transition: .9s ease-out;
            transition: .9s ease-out;
  }
  
  .flipped-horizontal-right {
    -webkit-transform: rotateY(360deg);
       -moz-transform: rotateY(360deg);
        -ms-transform: rotateY(360deg);
         -o-transform: rotateY(360deg);
            transform: rotateY(360deg);
  }
  
  .flipped-horizontal-left {
    -webkit-transform: rotateY(-360deg);
       -moz-transform: rotateY(-360deg);
        -ms-transform: rotateY(-360deg);
         -o-transform: rotateY(-360deg);
            transform: rotateY(-360deg);
  }
  
  .flipped-vertical-top {
    -webkit-transform: rotateX(360deg);
       -moz-transform: rotateX(360deg);
        -ms-transform: rotateX(360deg);
         -o-transform: rotateX(360deg);
            transform: rotateX(360deg);
  }
  
  .flipped-vertical-bottom {
    -webkit-transform: rotateX(-360deg);
       -moz-transform: rotateX(-360deg);
        -ms-transform: rotateX(-360deg);
         -o-transform: rotateX(-360deg);
            transform: rotateX(-360deg);
  }
  
#portfolio div{background-size: contain;
    background-position: center;
    position: relative;
    background-repeat: no-repeat;
    background-color: #101010;}
	
	@media only screen and (max-width: 640px) {
		#portfolio div {
		  display: inline-block;
		  position: relative;
		  vertical-align: top;
		  margin: 1em;
		  width: 25%;
		  height: 150px;
		  box-shadow: 0px 0px 25px rgba(0,0,0,.3);
		}
		.dianzixc{padding: 0 0 0 0;}
		#portfolio {
			  height: 80%;}
	}