courses.css

 @import url(https://fonts.googleapis.com/css?family=Open+Sans);

 body{
        background-image: url("background.jpg");
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        width: 100%;
        height: 100vh;
    font-family: 'Open Sans', sans-serif;
    }

body{
    margin: 0;
    padding: 0;	
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }
  .navbar {
    position: absolute;
width: 1540px;
height: 69px;
left: 0px;
top: 0px;
background: linear-gradient(90.23deg, #581ABC 2.86%, rgba(192, 13, 255, 0.84) 67.46%, rgba(67, 255, 255, 0.69) 102.88%);
/* background: linear-gradient(90.23deg, #8B3DD9 2.86%, rgba(68, 246, 246, 0.36) 102.88%);  */
}

.heading {
	text-align: center;
	color: rgb(255, 255, 255);
	font-family: 'Courier New', Courier, monospace;
	font-weight: bold;
}

.container {
    margin-top: 20px;	
}

/* Carousel Styles */
.carousel-indicators .active {
    background-color: #2980b9;
}

.carousel-inner img {
    width: 100%;
    max-height: 460px
}

.carousel-control {
    width: 0;
}

.carousel-control.left,
.carousel-control.right {
	opacity: 1;
	filter: alpha(opacity=100);
	background-image: none;
	background-repeat: no-repeat;
	text-shadow: none;
}

.carousel-control.left span {
	padding: 15px;
}

.carousel-control.right span {
	padding: 15px;
}

.carousel-control .glyphicon-chevron-left, 
.carousel-control .glyphicon-chevron-right, 
.carousel-control .icon-prev, 
.carousel-control .icon-next {
	position: absolute;
	top: 45%;
	z-index: 5;
	display: inline-block;
}

.carousel-control .glyphicon-chevron-left,
.carousel-control .icon-prev {
	left: 0;
}

.carousel-control .glyphicon-chevron-right,
.carousel-control .icon-next {
	right: 0;
}

.carousel-control.left span,
.carousel-control.right span {
	background-color: #000;
}

.carousel-control.left span:hover,
.carousel-control.right span:hover {
	opacity: .7;
	filter: alpha(opacity=70);
}

/* Carousel Header Styles */
.header-text {
    position: absolute;
    top: 20%;
    left: 1.8%;
    right: auto;
    width: 96.66666666666666%;
    color: #fff;
}

.header-text h2 {
    font-size: 40px;
}

.header-text h2 span {
    background-color: #2980b9;
	padding: 10px;
}

.header-text h3 span {
	background-color: #000;
	padding: 15px;
}

.btn-min-block {
    min-width: 170px;
    line-height: 26px;
}

.btn-theme {
    color: #fff;
    background-color: transparent;
    border: 2px solid #fff;
    margin-right: 15px;
}

.btn-theme:hover {
    color: #000;
    background-color: #fff;
    border-color: #fff;
}


  .wrapper {
    display:flex; 
	margin-top: 5%;
	margin-left: 5%;
	color: rgb(62, 103, 198);
    justfiy-content:space-between; 
	width: 60vmax; }
	
.box { 
	flex: 0 0 40%; 
	height: 100%;
	margin: 5%;
	text-align:center;
    background: linear-gradient(180deg, #766c6c 0%, #13101b 95.1%);
	border-radius: 15px;
}