body {
    margin: auto;
    width: 80vw;
    max-width: 800px;
    line-height: 1.6;
    font-size: 18px;
    font-family: 'Fira Sans', sans-serif;
    color: #2d3748;
    background-color: #f7fafc;
    padding: 0 10px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
}
h1 {
    font-size: 2em;
    margin-bottom: 1em;
}
h2 {
    font-size: 1.5em;
}
h3 {
    font-size: 1.2em;
}

a:not(.button-link),
a:not(.button-link):visited {
    transition: all 0.3s ease;
    position: relative;
    color: #00826c;
    text-decoration: none;
    background-image: linear-gradient(0deg, #00826c, #00826c);
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 100% 2px;
}
a:not(.button-link):hover,
a:not(.button-link):active {
    color: #fff;
    background-size: 100% 100%;
}

main {
    margin-top: 65px;
}
header {
    position: absolute;
    top: 20px;
    right: 20px;
}

ul.button-links {
    list-style-type: none;
    padding: 0;
}
a.button-link {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #f7fafc;
    color: #214192;
    border: 2px solid #214192;
    border-radius: 2px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    cursor: pointer;
    font-family: FiraGO, Fira Sans, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.2;
    text-decoration: none;

    display: block;
    width: 65vw;
    max-width: 500px;
    padding: 15px;
    margin: auto auto 10px auto;
    text-align: center;
}
a.button-link:focus,
a.button-link:hover {
    background-color: #192a4a;
    border: 2px solid #192a4a;
    color: #edf2f7 !important;
}
li.space-after {
    margin-bottom: 55px;
}