* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.4;
    color: #000;
}

#wrapper {
    margin: 1rem auto;
    box-shadow: 0 4px 8px 0 #aaa;
    border: 8px #66A3F2 solid;
    max-width: 856px;
    background-color: #FFFFFF;
    overflow: hidden;
}

article {
    padding: 16px 32px 0;
}

footer {
    padding: 32px;
}

.button {
    display: flex;
    justify-content: center;
    margin: 0 0 20px;
}

.button a {
    background: #66a3f2;
    display: inline-block;
    padding: 8px 20px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

.button a:hover {
    opacity: 0.9;
}

.center {
    text-align: center;
}

span {
    white-space: nowrap;
}

p {
    margin-bottom: 16px;
}

h1 {
    margin: 32px -32px;
    font-size: 20px;
    background: #66A3F2;
    padding: 8px 32px;
}

h2 {
    font-size: 16px;
    margin: 0 0 16px;
}

:is(a:link, a:visited, a:hover, a:active) {
    color: #000;
    text-decoration: none;
}

.link {
    color: #03a9f4 !important;
    text-decoration: underline !important;
}

ul {
    margin-bottom: 16px;
    list-style: none;
}

ul li {
    padding-left: 32px;
    position: relative;
    margin-bottom: 5px;
}

ul li:before {
    content: '\25A0';
    position: absolute;
    top: -2px;
    left: 16px;
    color: #66A3F2;
}

img {
    max-width: 100%;
    vertical-align: middle;
}

@media only screen and (max-width:854px) {
    #wrapper {
        border: none;
        margin: 0;
        box-shadow: none;
    }

    header img {
        width: 100%;
    }

    :is(article, footer) {
        padding: 1rem;
    }

    h1 {
        margin: 32px -16px;
        padding: 8px 16px;
    }

    :is(h1, p, ul) {
        hyphens: auto;
        text-wrap: pretty
    }
}

@media only screen and (max-width:480px) {
    h1 {
        text-align: center;
    }

    ul li {
        padding-left: 16px;
    }

    ul li:before {
        left: 0;
    }
}