@mixin mb2_course_section()
{

    margin: 3rem 0 2rem 0;
    padding: .75rem 1rem;
    background-color: lighten($color_gray3, 3%);
    font-size: $fsheading4;
    //border-left: solid 2px $accent1;
    @include mb2_transition1(background-color, .15s);
    @include mb2_border_radius(.15rem);

    a,
    > h3 a {
        color: $headingscolor !important;        
    }

    &:hover {
        background-color: $color_gray3;
    }

}




@mixin mb2_course_section_main()
{
    // border: solid 1px rgba(255,255,255,0);
    // border-bottom-width: 2px;
    // border-bottom-color: $accent1;
}