.preamble + * {
    clear: both;
}

.abstract {
    font-size: 120%;
    line-height: 160%;
}

/*
.preamble .abstract {
    width: calc(100% - 260px);
    float: left;
}
*/

.ccbrowse {
    float: right;
    background: rgb(238, 238, 238);
    padding: 5px;
    text-align: center;
    margin-top: 15px;
    width: 240px;
    content-size: border-box;
}

.ccbrowse p {
    margin: 0;
}

.ccbrowse a {
    font-weight: bold;
}

.ccbrowse img {
    display: block;
    width: 100%;
    margin: 0.5em auto 0 auto;
}

.download {
    padding: 0.2em 0;
    float: right;
    text-align: right;
}

.download .latest {
    font-size: 150%;
    color: #333;
}

.download a {
    font-size: 120%;
    font-weight: bold;
}

.download .requirements {
    color: #888;
    font-size: 90%;
}

@media (max-width: 500px) {
    .preamble .abstract {
        float: none;
        width: auto;
    }
    .ccbrowse {
        float: none;
        margin: auto;
        width: 220px;
    }
}