.jumbotron {

	
	height: 200px;



}

body {
	background: url("/img/kaitlyn-happydaymedia-web-47.jpg");
	background-size: cover;

}
#b1 { 
	background: url("/img/kayak.jpg");
	background-size: cover;
	transition: background 0.2s linear;   	
}
#b2 { 
	background: url("/img/shake.jpg");
	background-size: cover;
	transition: background 0.2s linear; 

 }
#b3 { 
	background: url("/img/timer.jpg");
    background-size: cover;
    transition: background 0.2s linear;  }
#b4 { 
	background: url("/img/barbell.jpeg");
    background-size: cover;
    transition: background 0.2s linear;  }
#b5 { 
	background: url("/img/pockets.jpg");
    background-size: cover;
    transition: background 0.2s linear;  }

 #start {
 	color: white;
 }