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{
  background:  url(../imgs/option1.jpg) no-repeat center center fixed; 
}

 #option2{
  background: url(../imgs/option2.jpg) no-repeat center center fixed; 
}

 #option3{
  background:  url(../imgs/option3.jpg) no-repeat center center fixed; 
}

 #option4{
  background:  url(../imgs/option4.jpg) no-repeat center center fixed; 
}

 #option5{
  background:  url(../imgs/option5.jpg) no-repeat center center fixed; 
}

 #option6{
  background:  url(../imgs/option6.jpg) no-repeat center center fixed; 
}

 #option7{
  background:  url(../imgs/option7.jpg) no-repeat center center fixed; 
}

 #logo1_white{
  background:   url(../imgs/1.jpg) no-repeat center center fixed; 
}

 #logo1_black{
  background:  #000000  url(../imgs/1b.jpg) no-repeat center center fixed; 
}

 #logo2_white{
  background:   url(../imgs/2.jpg) no-repeat center center fixed; 
}

 #logo2_black{
  background:  #000000  url(../imgs/2b.jpg) no-repeat center center fixed; 
}

 #logo3_white{
  background:   url(../imgs/3.jpg) no-repeat center center fixed; 
}

 #logo3_black{
  background:  #000000  url(../imgs/3b.jpg) no-repeat center center fixed; 
}

 #logo4_white{
  background:   url(../imgs/4.jpg) no-repeat center center fixed; 
}

 #logo4_black{
  background:  #000000  url(../imgs/4b.jpg) no-repeat center center fixed; 
}

 #logo5_white{
  background:   url(../imgs/5.jpg) no-repeat center center fixed; 
}

 #logo5_black{
  background:  #000000  url(../imgs/5b.jpg) no-repeat center center fixed; 
}

 #logo6_white{
  background:   url(../imgs/6.jpg) no-repeat center center fixed; 
}

 #logo6_black{
  background:  #000000  url(../imgs/6b.jpg) no-repeat center center fixed; 
}

 #logo7_white{
  background:   url(../imgs/7.jpg) no-repeat center center fixed; 
}

 #logo7_black{
  background:  #000000  url(../imgs/7b.jpg) no-repeat center center fixed; 
}

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