@font-face {
    font-family: GraublauWeb;
    font-weight: normal;
    src: url("fonts/Kastelov - Axiforma Thin.otf") format("opentype");
}

@font-face {
    font-family: GraublauWeb;
    font-weight: bold;
    src: url("fonts/Kastelov - Axiforma Heavy.otf") format("opentype");
}

body {
    font-family: GraublauWeb, serif;
    background: linear-gradient(-45deg, #000, #111, #222, #000);
    background-size: 300% 300%;
    animation: gradient 15s ease infinite;
    height: 100vh;
    color: #fff;
    overflow: hidden;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

.jumbotron-container {
    width: 100%;
    text-align: center;
    margin-top: calc(50vh - 75px);
}

.jumbotron {
    font-size: 32px;
    text-transform: uppercase;
    font-weight: lighter;
}

.jumbotron span {
    line-height: 40px;
    display: block;
}

.jumbotron .bold {
    font-size: 48px;
    font-weight: bold;
}