* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: 'Titillium Web', sans-serif;
}

.bg {
    background-image: url("../images/background.jpg");
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    position: relative;
}

.flex-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content: center;
}

.hero-message {
    color: #fff;
    text-shadow: #343a40 2px 2px;
    min-width: 100%;
    min-height: 12em;
    position: relative;
}

.hero-message::before {
    content: "";
    display: block;
    position: absolute;
    margin-left: 0;
    min-width: 100%;
    min-height: 13em;
    z-index: -1;
    opacity: 0.7;
    background-color: #343a40;
}

.hero-title {
    margin: 2% 0;
    text-transform: uppercase;
}

.hero-sub-title {
    margin-bottom: 2em;
}

.mail > a {
    font-size: 80%;
    color: #ddd;
}

.hero-title, .hero-sub-title, .mail {
    width: 100%;
    display: block;
    text-align: center;
}