.clear:before, .clear:after {
  content: ' ';
  display: table; }

.clear {
  *zoom: 1; }
  .clear:after {
    clear: both; }

/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%; }

body {
  margin: 0; }

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
  display: block; }

audio, canvas, progress, video {
  display: inline-block;
  vertical-align: baseline; }

audio:not([controls]) {
  display: none;
  height: 0; }

[hidden], template {
  display: none; }

a {
  background-color: transparent; }

a:active, a:hover {
  outline: 0; }

abbr[title] {
  border-bottom: 1px dotted; }

b, strong {
  font-weight: 700; }

dfn {
  font-style: italic; }

h1 {
  font-size: 2em;
  margin: .67em 0; }

mark {
  background: #ff0;
  color: #000; }

small {
  font-size: 80%; }

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline; }

sup {
  top: -.5em; }

sub {
  bottom: -.25em; }

img {
  border: 0; }

svg:not(:root) {
  overflow: hidden; }

figure {
  margin: 1em 40px; }

hr {
  box-sizing: content-box;
  height: 0; }

pre {
  overflow: auto; }

code, kbd, pre, samp {
  font-family: monospace,monospace;
  font-size: 1em; }

button, input, optgroup, select, textarea {
  color: inherit;
  font: inherit;
  margin: 0; }

button {
  overflow: visible; }

button, select {
  text-transform: none; }

button, html input[type=button], input[type=reset], input[type=submit] {
  -webkit-appearance: button;
  cursor: pointer; }

button[disabled], html input[disabled] {
  cursor: default; }

button::-moz-focus-inner, input::-moz-focus-inner {
  border: 0;
  padding: 0; }

input {
  line-height: normal; }

input[type=checkbox], input[type=radio] {
  box-sizing: border-box;
  padding: 0; }

input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button {
  height: auto; }

input[type=search] {
  -webkit-appearance: textfield;
  box-sizing: content-box; }

input[type=search]::-webkit-search-cancel-button, input[type=search]::-webkit-search-decoration {
  -webkit-appearance: none; }

fieldset {
  border: 1px solid silver;
  margin: 0 2px;
  padding: .35em .625em .75em; }

legend {
  border: 0;
  padding: 0; }

textarea {
  overflow: auto; }

optgroup {
  font-weight: 700; }

table {
  border-collapse: collapse;
  border-spacing: 0; }

td, th {
  padding: 0; }

html {
  color: #222;
  font-size: 1em;
  line-height: 1.4; }

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none; }

::selection {
  background: #b3d4fc;
  text-shadow: none; }

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0; }

audio, canvas, iframe, img, svg, video {
  vertical-align: middle; }

fieldset {
  border: 0;
  margin: 0;
  padding: 0; }

textarea {
  resize: vertical; }

.browserupgrade {
  margin: 0.2em 0;
  background: #ccc;
  color: #000;
  padding: 0.2em 0; }


body {
  font: 16px/1.5 'Raleway', Helvetica, Helvetica Neue, Arial, sans-serif;
  background-color: #222; }

.wrapper {
  width: 80%;
  margin: 0 10%; }

/* Make the body 100% of the browser viewport height */
html, body {
  height: 100%;
  margin: 0; }

h1 {
    font-size: 1.5em;
    margin-top: 0;
    font-family: 'Spectral', serif;
    font-weight: 300;
    cursor: pointer;
    color:rgba(255,255,255,0.9);
}

h2
{
    margin-top: -10px;
    font-size: 2em;
    font-family: 'Spectral', serif;
    font-weight: 700; 
    cursor: pointer;
    color:rgba(255,255,255,0.9);
}

h3
{
    font-family: 'Spectral', serif;
    font-size: 1.5em;
    color:rgba(255,255,255,0.9);
}
.header-container {
  text-align: center;
  color: #ffffff; }
  .header-container .wrapper {
    padding-top: 120px;
    z-index: 2;
    position: relative; }

.bcg {
  background: no-repeat center center;
  background-size: cover;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.5; }

  .header-container .bcg {
    background-image: url(../img/front/00-INTRO.jpg);
    background-size: cover; }
  #slide01 .bcg {
    background: url(../img/front/01_IS%20YOUR%20WATER%20SAFE.jpg) no-repeat center center;
    background-size: cover; }
  #slide02 .bcg {
    background: url(../img/front/02_INDUSTRIAL%20POLLUTERS.jpg) no-repeat center center;
    background-size: cover; }
  #slide03 .bcg {
    background: url(../img/front/03_FARMING%20WASTE.jpg) no-repeat center center;
    background-size: cover; }
  #slide04 .bcg {
    background: url(../img/front/04_ENVIRONMENTAL%20JUSTICE.jpg) no-repeat center center;
    background-size: cover; }
  #slide05 .bcg {
    background: url(../img/front/05_TRIBAL%20LANDS.jpg) no-repeat center center;
    background-size: cover; }
  #slide06 .bcg {
    background: url(../img/front/06_BORDER%20LANDS.jpg) no-repeat center center;
    background-size: cover; }
 #slide07 .bcg {
    background: url(../img/front/07_BACKYARD%20WATER.jpg) no-repeat center center;
    background-size: cover; }
 #slide08 .bcg {
    background: url(../img/front/08_LEAD%20IN%20SCHOOLS.jpg) no-repeat center center;
    background-size: cover; }
 #slide09 .bcg {
    background: url(../img/front/09_HEALTH%20EFFECTS.jpg) no-repeat center center;
    background-size: cover; }
 #slide010 .bcg {
    background: url(../img/front/IMG_6700.jpg) no-repeat center center;
    background-size: cover; }
 #slide011 .bcg {
    background: url(../img/front/IMG_79852222.jpg) no-repeat center center;
    background-size: cover; }

/* =Navigation */
nav {
  display: none;
  position: fixed;
  right: 30px;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  text-align: right;
  z-index: 100; }
  nav a {
    display: block;
    line-height: 25px;
    position: relative;
    padding-right: 20px;
    color:rgba(255,255,255,0.9);
    text-decoration: none; }
    nav a:hover .nav-label {
      -webkit-transform: translateX(0);
          -ms-transform: translateX(0);
              transform: translateX(0);
      opacity: 1;
      visibility: visible; }
  nav .nav-dot {
    display: block;
    width: 10px;
    height: 10px;
    position: absolute;
    right: 0;
    top: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 100%;
    -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);
    -webkit-transition: all 0.3s linear;
            transition: all 0.3s linear; }
  nav .nav-label {
    display: block;
    opacity: 0.5;
    visibility: hidden;
    -webkit-transform: translateX(-10px);
        -ms-transform: translateX(-10px);
            transform: translateX(-10px);
    -webkit-transition: all 0.2s cubic-bezier(.17, .67, .83, .67);
            transition: all 0.2s cubic-bezier(.17, .67, .83, .67); }
  nav.is-dark a {
    color: color:rgba(255,255,255,0.9); }
  nav.is-dark .nav-dot {
    background-color: rgba(0, 0, 0, 0.5); }
  nav.is-light a {
    color: color:rgba(255,255,255,0.9); }
  nav.is-light .nav-dot {
    background-color: rgba(255, 255, 255, 0.5); }
  nav ul {
    margin: 0;
    padding: 0; }
  nav li {
    width: auto;
    list-style: none; }
 
li a
{
    color:rgba(255,255,255,0.9);
}

/* =Main */
p {
  font-size: 16px; }

.fs {
  height: 100vh; }

.slide {
  color: #ffffff;
  position: relative; }

  .slide .wrapper {
    padding-top: 30px;
    text-align: center;
    position: relative;
    z-index: 2; }
  .slide#slide01 .wrapper {
    position: absolute;
    top: 10%; }


  .slide#slide03 .wrapper {
    padding-top: 100px; }





/* ==========================================================================
   Media Queries
   ========================================================================== */
@media only screen and (min-width: 768px) {
  body {
    font-weight: 100; }
  h1 {
    font-size: 2em; }
 h2 {
    font-size: 3em; }    
    
  p {
    font-size: 20px; }
  /* =Header */
  .header-container {
    overflow: hidden;
    position: relative; }
    
    .header-container .wrapper {
      position: absolute;
      top: 50%;
      left: 50%;
      -webkit-transform: translate(-50%, -120%);
          -ms-transform: translate(-50%, -120%);
              transform: translate(-50%, -120%);
      margin: 0;
      padding: 0; }
    .header-container:before {
      font-size: 70em; }

  .bcg {
    opacity: 1; }
    
  .slide {
    overflow: hidden;
    overflow-x: hidden; }
 
    .slide .wrapper {
      padding-top: 120px;
      position: absolute;
      top: 50%;
      left: 50%;
      -webkit-transform: translate(-50%, -50%);
          -ms-transform: translate(-50%, -50%);
              transform: translate(-50%, -50%);
      text-align: left;
      width: 100%;
      margin: 0; }
    
  
    
        .slide#slide01 .wrapper, .slide#slide02 .wrapper, .slide#slide04 .wrapper, .slide#slide06 .wrapper,  .slide#slide03 .wrapper, .slide#slide05 .wrapper, .slide#slide07 .wrapper,.slide#slide08 .wrapper,.slide#slide09 .wrapper,.slide#slide010 .wrapper,.slide#slide011 .wrapper {
        top: auto;
        bottom: 40%;
        left: 10%;
        text-align: left;
        -webkit-transform: translate(0);
        -ms-transform: translate(0);
        transform: translate(0);
        padding: 0; }
    
       
    .slide#slide03 .bcg {
      opacity: 1; }
    
  nav {
    display: block; }
    

     #slide011 .bcg {
    background: url(../img/front/11_COST%20OF%20CONTAMINATION3.jpg) no-repeat center center;
    background-size: cover; }
    
     #slide010 .bcg {
    background: url(../img/front/10_THE%20PENTAGON%20PROBLEM.jpg) no-repeat center center;
    background-size: cover; }
    
    #first_slide
    {
        margin-top: 200px;
    }
    
    #first_slide h2
    {
        font-size: 2em;
        margin-top: 20px;
    }
    
}
@media only screen and (max-width: 767px){
.bcg
    {
        opacity: 1;
    }
 
#first_slide
    {
        margin-top: 0;
    }

#first_slide img
    {
        width: 300px;
        height: 170px;
    }
}


.arrows {
	width: 60px;
	height: 72px;
	position: absolute;
	left: 50%;
	margin-left: -30px;
	bottom: 20px;
    z-index: 100;
    cursor: pointer;
}

.arrows path {
	stroke: #FFF;
	fill: transparent;
	stroke-width: 1px;	
	animation: arrow 2s infinite;
	-webkit-animation: arrow 2s infinite; 
}

@keyframes arrow
{
0% {opacity:0}
40% {opacity:1}
80% {opacity:0}
100% {opacity:0}
}

@-webkit-keyframes arrow /*Safari and Chrome*/
{
0% {opacity:0}
40% {opacity:1}
80% {opacity:0}
100% {opacity:0}
}

.arrows path.a1 {
	animation-delay:-1s;
	-webkit-animation-delay:-1s; /* Safari 和 Chrome */
}

.arrows path.a2 {
	animation-delay:-0.5s;
	-webkit-animation-delay:-0.5s; /* Safari 和 Chrome */
}

.arrows path.a3 {	
	animation-delay:0s;
	-webkit-animation-delay:0s; /* Safari 和 Chrome */
}

@media only screen and (max-width:480px)
{
    #first_slide > img
    {
        margin-top: -100px;
        width: 300px;
        height: 150px;
        margin-left: -20px;
    }
    
    #first_slide h2
    {
        margin-top: 10px;
        font-size: 1.5em;
    }
    
    #playbtn
    {
        margin-top: 15px;
    }
    
    h2
    {
        margin-top: 20px;
    }
    
}