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

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

html,
body {
    /*height: 100%;*/
    background-color: #000;
}

body {
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -ms-flex-pack: center;
    -webkit-box-pack: center;
    justify-content: center;
    color: #fff;
    text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
    box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}

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

.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 {
    padding: 0 1.5rem;
}
.cover .btn-lg {
    padding: .75rem 1.25rem;
    font-weight: 700;
}

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

#scrollBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: gray;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
}

#scrollBtn:hover {
    background-color: #555;
}

#music,
#video,
#credit {
    padding: 10px 0;
}