body {
    background-color: #321D2F;
    line-height: 1.5;

    margin: 0 auto;
    padding: 4em 1em;
    max-width: 50em;
    font-size: larger;

    font-family: "Helvetica", "Arial", sans-serif;
}


p {
    color: #fff;
}


#kitten img {
    position: relative;
    left: 50%;
}

h1,
h2,
strong {
    color: #4C5F7A
}

h2 {
    margin-top: 1em;
    padding-top: 1em
}

pre {
    background: #3D2E4F;
    padding: 1em;
    border-left: 4px solid #69c;
    border-bottom: 1px solid #d8dee9;
    color: #a7adba;
}

a {
    color: #393E6F
}

.tabs {
    position: relative;
    /* FIXME: Hardcoded */
    margin: 1em 0;
}

.tab {
    float: left;
}

.tab label {
    padding: 0.7em;
    position: relative;
    /* FIXME: Hardcoded */
    left: 14em;
    color: #fff
}

.tab [type="radio"] {
    opacity: 0;
}

.content {
    position: absolute;
    padding: 1em;
    top: 2em;
    left: 1em;
    right: 0;
    bottom: 0;
}

.content>* {
    opacity: 0;
    transform: translateY(+200%);
    transition: all 0.3s ease;
}


[type="radio"]:checked~label~.content>* {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

[type="radio"]:checked~label {
    text-shadow: 0px 0px 2.2px;
    text-decoration: underline;
}