:root {
    --blue: #066fd5;
}

body {
    font-family: 'Mulish', sans-serif;
    background: url("../images/circuit-board-6522547-1.jpg") top no-repeat fixed;
}

.bg-c-blue {
    background-color: var(--blue);
}

.top {
    font-weight: lighter;
    font-size: 12px;
}

.nav-link {
    color: black;
}

.nav-item > .active {
    color: red;
    text-decoration: underline !important;
}

.nav-link:hover {
    text-decoration: underline;
}

.lh-20 {
    line-height: 20px;
}

.lh-30 {
    line-height: 30px;
}

.fs-20 {
    font-size: 20px;
}

.fs-30 {
    font-size: 30px;
}

.fs-40 {
    font-size: 40px;
}

.fs-60 {
    font-size: 60px;
}

.font-weight-bold {
    font-weight: bold;
}

#section3,#section4, #section5, #section6 {
    padding: 100px 0;
}

#section3 {
    background: url("../images/christina-wocintechchat-com-glRqyWJgUeY-unsplash.jpg");
    background-attachment: fixed;
}

#section4 {
    padding: 100px 0;
    line-height: 33px;
}

#section6 {
    background-color: #f9f5f5;
}

#section7 {
    background: url("../images/pexels-august-de-richelieu-4427430.jpeg");
    background-attachment: fixed;
}

#footer {
    padding: 100px 0 5px 0;
}

a:hover {
    text-decoration: underline !important;
}

#footer > .container > .row:nth-child(2) {
    font-size: 14px;
}