body{
  overflow-x: hidden;
  overflow-y: scroll;
  background-color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  margin:0;
  font-size:12px;
 }

 
.border{
 border-bottom: 50px solid #000;
 
}



 #hero{
  position:relative;
  width: 100%;
  overflow:hidden;
  height: 100vh;
  min-height:500px;
  background: #fff url(../imgs/download.png) no-repeat center center fixed; 
 
}

 .holder{
  position:relative;
  width: 100%;
  overflow:hidden;
  height: 100vh;
  min-height:500px;
  padding:20px;
  color:#212121;
 
}
 #intro{
  background: #fff url(../imgs/intro.jpg) no-repeat center center fixed; 
}
 #option1_orange{
  background: #fff url(../imgs/option1_orange.jpg) no-repeat center center fixed; 
}

 #explain1{
  background: #fff url(../imgs/explain1.jpg) no-repeat center center fixed; 
}
 #orange1a{
  background:  url(../imgs/1orange_a.jpg) no-repeat center center fixed; 
}

 #orange1b{
  background:  url(../imgs/1orange_b.jpg) no-repeat center center fixed; 
}

 #top4_option1{
  background:  url(../imgs/top4_1.png) no-repeat center center fixed; 
}

 #orange{
  background:  url(../imgs/orange.jpg) no-repeat center center fixed; 
}

 #option1_green{
  background: #fff url(../imgs/option1_green.jpg) no-repeat center center fixed; 
}

 #green1a{
  background:  url(../imgs/1green_a.jpg) no-repeat center center fixed; 
}

 #green1b{
  background:  url(../imgs/1green_b.jpg) no-repeat center center fixed; 
}

 #green{
  background:  url(../imgs/green.jpg) no-repeat center center fixed; 
}

 #option1_blue{
  background: #fff url(../imgs/option1_blue.jpg) no-repeat center center fixed; 
}
 #blue1a{
  background:  url(../imgs/1blue_a.jpg) no-repeat center center fixed; 
}

 #blue1b{
  background:  url(../imgs/1blue_b.jpg) no-repeat center center fixed; 
}

 #blue{
  background:  url(../imgs/blue.jpg) no-repeat center center fixed; 
}






 #option2_orange{
  background: #fff url(../imgs/option2_orange.jpg) no-repeat center center fixed; 
}

 #explain1{
  background: #fff url(../imgs/explain1.jpg) no-repeat center center fixed; 
}
 #orange2a{
  background:  url(../imgs/2orange_a.jpg) no-repeat center center fixed; 
}

 #orange2b{
  background:  url(../imgs/2orange_b.jpg) no-repeat center center fixed; 
}

 #top4_option2{
  background:  url(../imgs/top4_2.png) no-repeat center center fixed; 
}




 #option2_green{
  background: #fff url(../imgs/option2_green.jpg) no-repeat center center fixed; 
}

 #green2a{
  background:  url(../imgs/2green_a.jpg) no-repeat center center fixed; 
}

 #green2b{
  background:  url(../imgs/2green_b.jpg) no-repeat center center fixed; 
}


 #option2_blue{
  background: #fff url(../imgs/option2_blue.jpg) no-repeat center center fixed; 
}

 #blue2a{
  background:  url(../imgs/2blue_a.jpg) no-repeat center center fixed; 
}

 #blue2b{
  background:  url(../imgs/2blue_b.jpg) no-repeat center center fixed; 
}






 #option3_orange{
  background: #fff url(../imgs/option3_orange.jpg) no-repeat center center fixed; 
}

 #option3{
  background: #fff url(../imgs/option3.jpg) no-repeat center center fixed; 
}
 #explain2{
  background: #fff url(../imgs/explain2.jpg) no-repeat center center fixed; 
}
 #orange3a{
  background:  url(../imgs/3orange_a.jpg) no-repeat center center fixed; 
}

 #orange3b{
  background:  url(../imgs/3orange_b.jpg) no-repeat center center fixed; 
}

 #top4_option3{
  background:  url(../imgs/top4_3.png) no-repeat center center fixed; 
}



 #option3_green{
  background: #fff url(../imgs/option3_green.jpg) no-repeat center center fixed; 
}
 #green3a{
  background:  url(../imgs/3green_a.jpg) no-repeat center center fixed; 
}

 #green3b{
  background:  url(../imgs/3green_b.jpg) no-repeat center center fixed; 
}


 #option3_blue{
  background: #fff url(../imgs/option3_blue.jpg) no-repeat center center fixed; 
}

 #blue3a{
  background:  url(../imgs/3blue_a.jpg) no-repeat center center fixed; 
}

 #blue3b{
  background:  url(../imgs/3blue_b.jpg) no-repeat center center fixed; 
}




 #all{
  background:    url(../imgs/all.jpg) no-repeat center center fixed; 
}