body {
    background: linear-gradient( rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url(../img/bg.jpg);
    background-size: cover;
    background-position: center;
    font-family: 'Montserrat', sans-serif;
}

.cover-container {
    max-width: 50em;
}

.nav-masthead .nav-link {
    color: rgba(255, 255, 255, .5);
    border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
    border-bottom-color: rgba(255, 255, 255, .25);
}

.nav-masthead .nav-link+.nav-link {
    margin-left: 1rem;
}

.nav-masthead .active {
    color: #fff;
    border-bottom-color: #fff;
}

.social img {
    width: 64px;
}

footer {
    font-size: 14px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.ml-10 {
    margin-left: 10px;
}

.ml-20 {
    margin-left: 20px;
}

.ml-30 {
    margin-left: 30px;
}

.mr-10 {
    margin-right: 10px;
}

.mr-20 {
    margin-right: 20px;
}

.mr-30 {
    margin-right: 30px;
}