/* =Generic Styles */

* {
    box-sizing: border-box;
}

html {
    background: linear-gradient(#a8fcac, #62f0d1);
    color: #222;
    font-size: 1em;
    line-height: 1.4;
    min-height: 100vh;
}

body {
    font-family: Lato, Helvetica, Arial, sans-serif;
    line-height: 1.3;
    margin: 0;
    padding: 0;
}

a,
a:link,
a:visited {
    color: #000;
}

a:hover,
a:active {
    text-decoration: none;
}

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

/* =Utilities */

.visuallyhidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    white-space: nowrap;
}

/* =Header */

.header {
    text-align: center;
}

.header--heading {
    font-size: 1.7em;
    margin: 0;
    padding: 0;
}

.header--logo {
    max-height: 25vh;
}

/* =Main */

.main {
    margin: 0 auto;
    max-width: 40em;
    padding: 0 1em;
}

.main--details {
    padding: .5em 0;
}

.main--summary {
    cursor: pointer;
    text-decoration: underline;
}

.main--heading {
    font-size: 1.2em;
    margin: 0;
    padding: 0;
}

.main--heading:first-of-type {
    margin-top: .83333em;
}