.nav-item{
}

.nav-link{
    font-size: 18px;
    font-family: Cambria;
    font-weight: bold;
    padding-left: 20px !important;
    padding-right: 20px !important;
    border-bottom: 2px solid transparent;
}
.nav-link:hover{
    font-size: 18px;
    font-family: Cambria;
    font-weight: bold;
    padding-left: 20px !important;
    padding-right: 20px !important;
    border-bottom: 2px solid red;
}




.course_heading{
    font-family: Cambria;
    font-size: 25px;
    font-weight: bold;
    margin-top: 5px;
    color: red;
}