* {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
*:before,
*:after {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
html {
  font-size: 62.5%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
body {
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.42857143;
  color: #333;
  background-color: #fff;
}
input,
button,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
a {
  color: #428bca;
  text-decoration: none;
}
a:hover,
a:focus {
  color: #2a6496;
  text-decoration: none;
}
a:focus {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}
figure {
  margin: 0;
}
img {
   vertical-align: middle;
}
.img-responsive,
.thumbnail > img,
.thumbnail a > img,
.carousel-inner > .item > img,
.carousel-inner > .item > a > img {
  display: block;
  max-width: 100%;
  height: auto;
}
.img-rounded {
  border-radius: 6px;
}
.img-thumbnail {
  display: inline-block;
  max-width: 100%;
  height: auto;
  padding: 4px;
  line-height: 1.42857143;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  -webkit-transition: all .2s ease-in-out;
          transition: all .2s ease-in-out;
}
.img-circle {
  border-radius: 50%;
}
hr {
  margin-top: 20px;
  margin-bottom: 20px;
  border: 0;
  border-top: 1px solid #eee;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: inherit;
  font-weight: 500;
  line-height: 1.1;
  color: inherit;
}
h1 small,
h2 small,
h3 small,
h4 small,
h5 small,
h6 small,
.h1 small,
.h2 small,
.h3 small,
.h4 small,
.h5 small,
.h6 small,
h1 .small,
h2 .small,
h3 .small,
h4 .small,
h5 .small,
h6 .small,
.h1 .small,
.h2 .small,
.h3 .small,
.h4 .small,
.h5 .small,
.h6 .small {
  font-weight: normal;
  line-height: 1;
  color: #999;
}
h1,
.h1,
h2,
.h2,
h3,
.h3 {
  margin-top: 20px;
  margin-bottom: 10px;
}
h1 small,
.h1 small,
h2 small,
.h2 small,
h3 small,
.h3 small,
h1 .small,
.h1 .small,
h2 .small,
.h2 .small,
h3 .small,
.h3 .small {
  font-size: 65%;
}
h4,
.h4,
h5,
.h5,
h6,
.h6 {
  margin-top: 10px;
  margin-bottom: 10px;
}
h4 small,
.h4 small,
h5 small,
.h5 small,
h6 small,
.h6 small,
h4 .small,
.h4 .small,
h5 .small,
.h5 .small,
h6 .small,
.h6 .small {
  font-size: 75%;
}
h1,
.h1 {
  font-size: 36px;
}
h2,
.h2 {
  font-size: 30px;
}
h3,
.h3 {
  font-size: 24px;
}
h4,
.h4 {
  font-size: 18px;
}
h5,
.h5 {
  font-size: 14px;
}
h6,
.h6 {
  font-size: 12px;
}
p {
  margin: 0 0 10px;
}
.lead {
  margin-bottom: 20px;
  font-size: 16px;
  font-weight: 200;
  line-height: 1.4;
}
@media (min-width: 768px) {
  .lead {
    font-size: 21px;
  }
}
small,
.small {
  font-size: 85%;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}
.text-center {
  text-align: center;
}
.text-justify {
  text-align: justify;
}
.text-muted {
  color: #999;
}
.text-primary {
  color: #428bca;
}
a.text-primary:hover {
  color: #3071a9;
}
.text-success {
  color: #3c763d;
}
a.text-success:hover {
  color: #2b542c;
}
.text-info {
  color: #31708f;
}
a.text-info:hover {
  color: #245269;
}
.text-warning {
  color: #8a6d3b;
}
a.text-warning:hover {
  color: #66512c;
}
.text-danger {
  color: #a94442;
}
a.text-danger:hover {
  color: #843534;
}
.page-header {
  padding-bottom: 9px;
  margin: 40px 0 20px;
  border-bottom: 1px solid #eee;
}

/* Lists */
ul,
ol {
  margin-top: 0;
  margin-bottom: 10px;
}
ul ul,
ol ul,
ul ol,
ol ol {
  margin-bottom: 0;
}
.list-unstyled {
  padding-left: 0;
  list-style: none;
}
.list-inline {
  padding-left: 0;
  margin-left: -5px;
  list-style: none;
}
.list-inline > li {
  display: inline-block;
  padding-right: 5px;
  padding-left: 5px;
}

@media (min-width: 768px) {
  
  
}


/* Container */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 0;
  margin-bottom: 0;
  *zoom: 1;
  max-width: 1170px; 
}

.container:before, 
.container:after {
    content: " ";
    display: table; 
 }
.container:after {
    clear: both; 
 }



/* ===========================
   Prototyping 
   =========================== */

.block-a {
   display: block;
   background: #F1F1F1;
   width: 100%;
   position: relative;
   height: 900px;
}
.block-b {
   position: relative;
   display: block;
   background: #FFFFFF;
   width: 100%;
}

.page-title {
   position: relative;
   text-align: center;
   color: #FFFFFF;
   margin: 100px auto;
   padding: 200px 0;;
}

.page-title h1 {
          font-size: 7em;
          font-weight: 700;
          text-transform: uppercase;
          color: #FFF;

}


.intro   
{                                     
}

#demo {
  height: 700px;
  display: block;
  overflow: hidden;
}

.overlay-bg-radial {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: -ms-radial-gradient(50% 55%, ellipse closest-corner, rgba(0, 0, 0, 0.57) 1%, rgba(0, 0, 0, 0.8) 100%);
  background: -webkit-radial-gradient(50% 55%, ellipse closest-corner, rgba(0, 0, 0, 0.42) 1%, rgba(0, 0, 0, 0.48) 100%);
  opacity: 1;
  z-index: 0;
  position: absolute;
}
