:root {
    font-size: 16px;
}

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

html {
    min-height: 100%;
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 23px;
    color: #000;
}

#wrapper {
    margin: 1rem auto;
    max-width: 526px;
    background: #fff;
    border: solid 2px #259aa3;
    padding: 16px;
}

header {
    display: flex;
    justify-content: flex-end;
}

article {
    padding: 12px 0 4px;
}

.text-center {
    text-align: center;
}

footer {
    display: flex;
    justify-content: center;
}

.margin-bottom {
    margin-bottom: 0;
}

p small {
    font-size: 90%;
}

:is(h1, strong) {
    font-weight: 700;
}

h1 {
    font-size: 20px;
    margin: 0 0 6px;
    line-height: 1.4;
    text-align: center;
}

h1 small {
    font-size: 16px;
    font-weight: 400;
    display: block;
}

h2 {
    margin: 0 0 6px;
    font-size: 18px;
    line-height: 1.2;
    display: block;
}

p {
    margin-bottom: 6px;
    text-align: justify;
    hyphens: auto;
}

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

ul {
    padding: 0 0 10px;
    list-style: none;
}

ul li {
    padding-left: 20px;
}

li:before {
    content: '\25A0';
    float: left;
    font-size: 24px;
    text-indent: -20px;
    margin: -3px 0 0;
}

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

@media screen and (max-width: 526px) {
    #wrapper {
        border: none;
        margin: 0;
    }

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

    :is(p a:not(p a.normal), span) {
        white-space: nowrap;
    }

    p a.normal {
        word-break: break-all;
    }

    p {
        text-align: left;
    }

    br:not(br.mobile-block, p.text-center br) {
        display: none;
    }
}