style.css

/* Globals */


/* Links */

a,
a:focus,
a:hover {
    color: #fff;
}


/* Custom default button */

.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
    color: #333;
    text-shadow: none;
    /* Prevent inheritance from `body` */
    background-color: #fff;
    border: .05rem solid #fff;
    margin-top: 1rem;
    margin-bottom: 1rem;
    margin-right: 0.2rem;
    margin-left: 0.2rem;
}


/* Base structure */

html,
body {
    height: 100%;
    background: linear-gradient(to right, red, yellow);
}

body {
    display: -ms-flexbox;
    display: flex;
    color: rgba(0, 0, 0, .5);
    text-align: center;
    text-transform: uppercase;
    text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
    box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}

h4 {
    text-transform: none;
}

.cover-container {
    max-width: 42em;
}


/* Header */

.masthead {
    margin-bottom: 2rem;
}

.masthead-brand {
    margin-bottom: 0;
}

.nav-masthead .nav-link {
    padding: .25rem 0;
    font-weight: 700;
    color: rgba(255, 255, 255, .5);
    background-color: transparent;
    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;
}

@media (min-width: 48em) {
    .masthead-brand {
        float: left;
    }
    .nav-masthead {
        float: right;
    }
}


/* Cover */

.cover {
    padding: 0 1.5rem;
}

.cover .btn-lg {
    padding: .30rem 0.30rem;
    font-weight: 650;
}


/* Footer */

.mastfoot {
    color: rgba(255, 255, 255, .5);
}