body {
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #fff;
    font-family: Roboto, sans-serif;
    font-size: 12px;
    text-align: justify;
}

hr {
    border: 1px solid #cbcace;
}

a {
    text-decoration: none;
    opacity: .8;
}

a:hover {
    opacity: 1;
}

code {
/*https://stackoverflow.com/questions/4000792/how-can-i-style-code-listings-using-css*/
    background: #f4f4f4;
    border: 1px solid #ddd;
    font-family: monospace;
    border-left: 2px solid #33bdf3;
}

.page_goto {
    padding-top: 20px;
}

header {
    z-index: 3;
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    min-width: 250px;
    overflow: hidden;
    height: 80px;

    padding-top: 20px;
    padding-left: 20px;

    transition: 0.2s;

    box-shadow: 0 0 10px 1px #969696;
    background-color: #0b0719;
    color: #cbcace;
}

header.rolled {
    padding-top: 0px;
    height: 40px;
}

header > img#logo {
    height: 80px;
    display: inline-block;
}

header > #title {
    font-size: 30px;
    display: inline-block;

    transition: 0.2s;
}

header > nav {
    margin-left: 20px;
    display: inline-block;
}

header > nav > * {
    font-size: 18px;
}

header > nav > a {
    color: #e2e2e2;
    margin-left: 10px;
}

article {
    margin: auto;
    max-width: 800px;
    padding: 70px 50px 20px 50px;
    box-shadow: 0px 0 5px 1px #969696;
}

/*header.rolled + article {
    padding: 110px 50px 20px 50px;
}*/

article > img {
    display: inline-block;
    width: 200px;
    height: 200px;
}

article > div#info {
    display: inline-block;
    width: 500px;
    padding-left: 10px;
    vertical-align:top;
}

article > div#info > #title {
    font-size: 20px;
    display: inline-block;
    font-weight: bold;
}

article > #info > #date {
    font-size: 14px;
    display: inline-block;
    font-style: italic;
}

article > #info > #idx {
    display: none;
}

/*https://stackoverflow.com/questions/30907965/align-un-ordered-list-horizontally-html/30908122*/
article > div#info > ul {
    margin: 0px 0px 0px -35px;
    display: block;
    /*height: 100%;*/
    width: 100%;
    text-align: left;
}

article > #info > summary {
    margin: 10px 20px 0px 00px;
    max-width: 500px;
}

article > content {
    margin-top: 20px;
    display: block;
    font-size: 14px;
}

article > content > img {
    transition: 0.2s;
    margin-left:-40px;
    max-width: calc(100% + 80px);
    /*border: 1px solid black;*/
    box-shadow: 0px 0 2px 1px #969696;
}

article > content > img.expandable {
    float: left; 
    margin-left:-120px;
    cursor: pointer;
}

article > content > img.expanded {
    float: none;
    margin-left:-40px;
    margin-bottom: 10px;
    display: block;
    width: auto !important;
}

article > content > ul {
    margin-left: -20px;
}

article > content > img.expanded:after {
    content: "<br>";
}

footer {
    position: fixed;
    left: 0px;
    bottom: 0px;
    width: 100%;
    height: 40px;

    background-color: #0b0719;
    color: #cbcace;
}

footer > nav {
    display: inline-block;
    margin-left: 20px;
    margin-top: 10px;
    font-size: 15px;
}

footer > #contact {
    display: inline-block;
    float: right;
    margin-top: 5px;
    margin-right: 15px;
    text-align: right;
    opacity: .7;
}

footer > #contact > a {
    color: #e2e2e2;
}

footer > nav > a {
    color: #e2e2e2;
}


@viewport {
  width: device-width;
  zoom: 1.0;
} 

@media only screen and (max-width: 610px) {

    header > div#title {;
        margin-top: 0px;
    }

    header.rolled {
        padding-top: 0px;
        height: 60px;
    }

    header > nav {
        margin-left: 0px;
        display: block;
    }

    header > span {
        margin-top: -30px;
        display: block;
    }
}