body {
    margin-top: 1em;
    margin-bottom: 1em;
    max-width: 40em;
}

h1, h2 {
    opacity: 0.5;
}

h1 {
    margin-top: 1em;
    margin-bottom: 2em;
}

@media screen and (max-width: 42em) {
    body {
        margin-right: 0.5em;
    }

    h2 {
        margin-top: 0;
    }
}

@media screen and (min-width: 42em) {
    h2 {
        margin-top: 1em;
    }
}

h1 {
    text-align: center;
}

h1:before {
    content: "© ";
}

h2 {
    font-size: x-large;
}

table {
    width: 100%;
}

a {
    text-decoration: none;
}

td {
    vertical-align: top;
}

.articles table, #contact {
    margin-left: 2em;
    margin-bottom: 2em;
}

.articles tr td a {
    margin-left: 4pt;
}

.article:before {
    content: "⋌";
    opacity: 0.25;
}

.presentation:before {
    content: "⋉";
    opacity: 0.25;
}

#contact span:after {
    content: "; ";
    opacity: 0.5;
}

#contact span:last-child:after {
    content: "";
}

#contact a {
    margin-left: 2pt;
    margin-right: 1pt;
}

#contact span:first-child a {
    margin-left: 0;
}

.date {
    text-align: right;
    white-space: nowrap;
    font-weight: lighter;
    opacity: 0.75;
}

@media screen and (max-width: 42em) {
    .articles table, #contact {
        margin-left: 00;
    }

    .date .detail {
        display: none;
    }
}

:target {
    border-left: 0.25em grey dotted;
    padding-left: 2em;
}