html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

body {
    line-height: 1;
}

ol, ul {
    list-style: none;
}


table {
    border-collapse: collapse;
    border-spacing: 0;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Pontano Sans', sans-serif;
    color: #fff;
    line-height: 1.3;
    -webkit-font-smoothing: antialiased;
}

#particles {
    width: 100%;
    height: 100%;
    position: absolute;
}

#intro {
    position: absolute;
    left: 0;
    top: 30%;
    padding: 0 20px;
    width: 100%;
    text-align: center;
}

h1 {
    text-transform: uppercase;
    font-size: 85px;
    font-weight: 700;
    letter-spacing: 0.015em;
}

h1::after {
    content: '';
    width: 275px;
    display: block;
    background: #fff;
    height: 3px;
    margin: 30px auto;
    line-height: 0.1;
}

p {
    margin: 0 0 30px 0;
    font-size: 24px;
}

p.quotation {

}

p.author {
    font-style: italic;
}


@media only screen and (max-width: 1000px) {
    h1 {
        font-size: 70px;
    }
}

@media only screen and (max-width: 800px) {
    h1 {
        font-size: 48px;
    }

    h1::after {
        height: 4px;
    }
}

@media only screen and (max-width: 568px) {
    #intro {
        padding: 0 10px;
    }

    h1 {
        font-size: 30px;
    }

    h1::after {
        height: 3px;
    }

    p {
        font-size: 18px;
    }

    .btn {
        font-size: 16px;
    }
}

@media only screen and (max-width: 320px) {
    h1 {
        font-size: 28px;
    }

    h1::after {
        height: 2px;
    }
}