* {
    box-sizing: border-box;
}

html {
    line-height: 1.4;
    -webkit-text-size-adjust: 100%;
}

body {
    background: white;
    color: #444;
    font-family: "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 18px;
    margin: 0;
    padding: 0 20px;
}
h1 {
    align-items: center;
    display: flex;
    margin-top: 10px;
}
h1 img {
    margin-right: 10px;
    padding-top: 2px;
    width: 30px;
}
h2 {
    align-items: center;
    background: #DDEAF0;
    border-left: 10px solid #21759b;
    color: #21759b;
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    padding: 10px 15px;
    line-height: 1;
}
h2 svg {
    height: 30px;
}
h2 svg path {
    fill: #21759b;
}

a,a:visited {
    color: #21759b;
}
a:hover {
    color: black;
}

ul li, ol li {
    margin-bottom: 10px;
}

header, main, footer {
    display: block;
    margin: 0 auto 80px;
    max-width: 720px;
}
header {
    padding-top: 40px;
}
main section {
    margin-bottom: 80px;
}
main section article {
    margin-bottom: 60px;
    padding-left: 10px;
}

input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    z-index: -1;
}
input[type="checkbox"] + label {
    cursor: pointer;
    display: inline-block;
    font-weight: bold;
    padding-left: 36px;
    position: relative;
    user-select: none;
    width: 100%;
}
input[type="checkbox"] + label:before {
    background: white;
    border: 3px solid lightgrey;
    content:'';
    height: 20px;
    left: 0;
    position: absolute;
    top: calc(50% - 13px);
    width: 20px;
}
input[type="checkbox"]:checked + label:before {
    background-color: #21759b;
    background-image: url("data:image/svg+xml;base64,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");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 12px;
    border-color: #21759b;
}
input[type="checkbox"]:focus + label:before {
    border-color: #21759b;
}

.skip-content {
    background: #21759b;
    color: white !important;
    left: -9999px;
    padding: 0.5rem;
    position: absolute;
    top: 0;
}
.skip-content:focus {
    left: 1rem;
}

footer {
    border-top: 1px solid lightgrey;
    padding-top: 20px;
}