html,
body {
    margin: 40px auto;
    padding: 0 10px;
    max-width: 650px;
    background: #eee;
    color: #444;
    font-size: 18px;
    line-height: 1.6;
}
header {
    justify-items: center;
    text-align: justify;
}
h1,h2,h3 {
    line-height: 1.2;
    border-bottom: 2px solid #ff4d4d;
    display: inline-block;
    text-transform: uppercase;
}
a {
    color: #ff4d4d;
    text-decoration: underline;
    text-decoration-style: dotted;
}
a:hover {
    color: #ff8282;
}
img.logo {
    display: block;
    max-width: 100%;
    height: auto;
}
.disableSelect {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}