body,h1,h2,h3,h4,h5,h6 {font-family: "Lato", sans-serif;}
body, html {
    height: 100%;
    color: #777;
    line-height: 1.8;
}

/* Create a Parallax Effect */
.bgimg-1, .bgimg-2, .bgimg-3, .bgimg-4, .bgimg-5, .bgimg-6,.bgimg-01 {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.bgimg-6 {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* image (Logo. Full height) */
.bgimg-1 {
    background-image: url('bimg.png');
    min-height: 100%;
}


.w3-wide {letter-spacing: 10px;}
.w3-hover-opacity {cursor: pointer;}

/* Turn off parallax scrolling for tablets and phones */
@media only screen and (max-device-width: 1024px) {
    .bgimg-1, .bgimg-2, .bgimg-3, {
        background-attachment: scroll;
    }
}

h1{
		text-align:center;
	}
	img {
    		display: block;
    		margin: 0 auto;
	}

	w3-card-4{
    		display: block;
    		margin: 0 auto;
	}

	.bgimg-1 {
    background-image: url('StudyUniverse.png');
    min-height: 100%;
	}

body,h1,h2,h3,h4,h5,h6 {font-family: "Lato", sans-serif;}
body, html {
    height: 100%;
    color: #777;
    line-height: 1.8;
}

/* Create a Parallax Effect */
.bgimg-1 {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* image (Logo. Full height) */
.bgimg-01 {
    background-image: url('http://assets.pewresearch.org/wp-content/uploads/sites/12/2013/06/FT_13.06.26_SCOTUSecision_640x300.jpg');
    min-height: 100%;
}

.bgimg-2 {
    background-image: url('nlm.png');
    min-height: 100%;
}

.bgimg-3 {
    background-image: url('https://tmrwedition.files.wordpress.com/2017/01/people7-785x510.png');
    min-height: 100%;
}

.bgimg-4 {
    background-image: url('http://images5.fanpop.com/image/photos/31100000/Math-Mania-math-31107557-2288-1617.jpg');
    min-height: 100%;
}

.bgimg-5 {
    background-image: url('bimg.png');
    min-height: 100%;
}
.bgimg-6 {
    background-image: url('html.jpg');
    min-height: 100%;
}

.w3-wide {letter-spacing: 10px;}
.w3-hover-opacity {cursor: pointer;}

/* Turn off parallax scrolling for tablets and phones */
@media only screen and (max-device-width: 1024px) {
    .bgimg-1, .bgimg-2, .bgimg-3{
        background-attachment: scroll;
    }
}
video{
  display: block;
  margin: 0 auto;
  width: 100%    !important;
  height: auto   !important;
}
iframe{
  display: block;
  margin: 0 auto;
  width: 100%    !important;
  height: auto   !important;
}