html {
    min-height: 100%;
}
body {
    margin: 0;
    padding: 0;
    position: relative;
    font-family: 'Montserrat', serif;
    overflow-x: hidden;
    color: #555;
}
h1, h2, h3, h4 {
    font-weight: normal;
    letter-spacing: 0.2em;
}
p {
    color: #555;
}
a {
    color: #00a2e0;
    text-decoration: none;   
    transition: all 500ms ease-in-out;
}
a.current:after {
    content: "";
    position:absolute;
    width: 100%;
    left: 0;
    bottom: -0.25rem;
    border-bottom: solid 3px crimson;
    z-index: 20;
}
h2.section-header {
    color: #cb292d;
    text-align: center;
    font-size: 3.5vw;
}

/*****
 * header
 *****/
header {
    position: sticky;
    top: 0;
    z-index: 500;
    opacity: 0.9;
}
header > div a {
    font-size: 0.8rem;
}
header img {
    position: absolute;
    border-radius: 0 0 50% 0;
    width: 12vw;
    max-width: 125px;
    transition: width 1s ease-in-out;
}
header > div {
    text-align: center;
    background: #000;
    color: #fff;
}

/*****
 * navigation
 *****/
@keyframes Monkey-Open {
    0% {
        top: 0;
        bottom: 0;
        right: 0;
        left: 100%;
    }
    100% {
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
    }
}
@keyframes Monkey-Close {
    0% {
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
    }
    100% {
        top: 0;
        bottom: 0;
        right: 0;
        left: 100%;
    }
}
nav {
    background: #fff;
}
nav ul {
    list-style: none;
    margin: 0;
    padding :0;
    display: flex;
    justify-content: center;
}
header > div a {
    color: #fff;
    display: inline-block;
    padding: 0.5rem;
}
nav ul > li:first-of-type a {
    font-size: 1.5rem;
    display:none;
}
nav ul {
    font-size: 0.9rem;
    transition: all 500ms ease-in-out;
}
nav a {
    color: #000;
    display: inline-block;
    position: relative;
    padding: 1rem 1.55rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
}
nav div {
    display: none;
}
nav div span {
    cursor: pointer;
    margin-right: 1rem;
}

nav a:hover {
    color: #fff;
}

/*****
 * page cover
*****/
section.cover {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-size: cover;
}
section.cover:before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-image: linear-gradient(to bottom right, #000, #00a2e0);
    opacity: 0.5;
}
section.cover h1 {
    color: #fff;
    position: relative;
    z-index: 10;
    font-size: 5vw;
    text-align: center;
}

/*****
 * footer
*****/
footer {
    font-size: 0.9rem;
    background: #111;
    color: #fff;
    padding: 2rem 1rem;
}

/*****
 * @media
 *****/
@media screen and (min-width:1200px) {
    h2.section-header {
        font-size: 42px;
        text-transform: uppercase;
    }
}
@media screen and (max-width: 799px) {
    h2.section-header {
        font-size: 28px;
    }
    nav ul {
        position: fixed;
        left: 100%;
        display: block;
        background: #fff;
    }
    nav div {
        display: block;
        text-align: right;
    }
    section#supporters > div > div {
        flex: 1 1 200px;   
    }
    nav ul > li:first-of-type a {
        display: inline;
    }
    nav ul > li {
        text-align: center;
    }
}