@media screen and (max-width: 576px) {
    .course img {
        width: 100%;
    }
    institution img{
        width: 100%;
        height: 400px;
    }
}
.container{
    margin-bottom: 20px;
}
/* navbar */
#navbarSupportedContent{
    font-size: 17px;
    font-weight: 700;
    color: black;
    margin: 0 35px;
    
}
/* navbar */

/* slider part */
.carousel-inner img{
    height: 700px;
    width: 100%;
    
}
.carousel-item::before{
    width: 100%;
    height: 100%;
    position: absolute;
    content: "";
    background-color: rgba(0, 0, 0, 0.6);
}
.item-position{
    top: 260px;
}
/* slider part */

.company img{
    width: 130px;
}
.institution img{
    width: 100%;
    height: 550px;
}
.review img{
    width: 60px;
}