body {
  color: black;
  position: relative;
}

.img-responsive {display:block; height: 200px; margin: auto;}

#canvas {
  display: block;
  margin: 0px auto;
  border-style: dotted;
  }

  #section1 {padding-top:50px;padding-bottom:5px;;color: black; background-color: white;}
  #section2 {padding-top:50px;padding-bottom:5px;color: black; background-color: white;}
  #section3 {padding-top:50px;padding-bottom:5px;color: black; background-color: white;}

  .myButton {
  	-moz-box-shadow:inset 0px 0px 0px 2px #9fb4f2;
  	-webkit-box-shadow:inset 0px 0px 0px 2px #9fb4f2;
  	box-shadow:inset 0px 0px 0px 2px #9fb4f2;
  	background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #7892c2), color-stop(1, #476e9e));
  	background:-moz-linear-gradient(top, #7892c2 5%, #476e9e 100%);
  	background:-webkit-linear-gradient(top, #7892c2 5%, #476e9e 100%);
  	background:-o-linear-gradient(top, #7892c2 5%, #476e9e 100%);
  	background:-ms-linear-gradient(top, #7892c2 5%, #476e9e 100%);
  	background:linear-gradient(to bottom, #7892c2 5%, #476e9e 100%);
  	filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#7892c2', endColorstr='#476e9e',GradientType=0);
  	background-color:#7892c2;
  	-moz-border-radius:12px;
  	-webkit-border-radius:12px;
  	border-radius:12px;
  	border:1px solid #4e6096;
  	display:inline-block;
  	cursor:pointer;
  	color:#ffffff;
  	font-family:Arial;
  	font-size:17px;
  	padding:12px 37px;
  	text-decoration:none;
  	text-shadow:0px 1px 0px #283966;
  }
  .myButton:hover {
  	background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #476e9e), color-stop(1, #7892c2));
  	background:-moz-linear-gradient(top, #476e9e 5%, #7892c2 100%);
  	background:-webkit-linear-gradient(top, #476e9e 5%, #7892c2 100%);
  	background:-o-linear-gradient(top, #476e9e 5%, #7892c2 100%);
  	background:-ms-linear-gradient(top, #476e9e 5%, #7892c2 100%);
  	background:linear-gradient(to bottom, #476e9e 5%, #7892c2 100%);
  	filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#476e9e', endColorstr='#7892c2',GradientType=0);
  	background-color:#476e9e;
  }
  .myButton:active {
  	position:relative;
  	top:1px;
  }

img.hidden {
  display: none;
}

.navbar-brand {
  width:150px;
  font-size: 24px;
}
.navbar-brand img {
  height: 30px;
  /* put value of image height as your need */
  float: left;
  margin-right: 7px;
}