html {
    background: url(images/background.jpg) fixed;
}

body {
    font-family: Helvetica, Arial, sans-serif;
    font-style: normal;
    font-size: 12pt;

    background: #FFFFFF;
    color: #252525;
    -webkit-text-size-adjust: 100%;
    width: 100%;
    max-width: 1000px;

    margin-left: auto;
    margin-right: auto;
    /* margin-top: 0px; */
    margin-bottom: 50px;

    /* padding-top: 40px; */
    padding-left: 40px;
    padding-right: 40px;

    -moz-box-shadow: 0 2px 7px #CCCCCC;
    -webkit-box-shadow: 0 2px 7px #CCCCCC;
    box-shadow: 0 2px 7px #CCCCCC;
}

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/* ------------------------------------------------------------------*/
/* ?????????????? */

#intro {
    padding: 15px 0px;
}

#title {
    padding: 15px 0px;
}

/* ------------------------------------------------------------------*/
/* appearance of links */

a {
    color: #2244ee;
    text-decoration: none;
}

a:hover {
    color: #2244ee;
    text-decoration: none;
}

a:visited {
    color: #2233ee;
    text-decoration: none;
}


/* ------------------------------------------------------------------*/
/* image blocks */

.mainTitleImage,
.abstractImage,
.projectImage,
.paperImage {
    display: inline-block;
    width: 40%;
    padding-right: 20px;
    padding-bottom: 25px;
    vertical-align: middle;
}

.mainTitleImage img,
.abstractImage img,
.projectImage img,
.paperImage img {
    max-width: 100%;
    max-height: 350px;
    /* not to high images */
}

.mainTitleImage {
    width: 20%;
    padding-top: 25px;
}

.projectImage {
    width: 60%;
    padding-bottom: 15px;
}

.paperImage {
    width: 25%;
    padding-bottom: 15px;
}

.mainTitleImage img {
    max-height: 550px;
    /* not to high images */
}

/* ------------------------------------------------------------------*/
/* blocks for text (title and content) */

.mainTitleTextBlock,
.abstractTextBlock,
.projectTextBlock,
.paperTextBlock {
    display: inline-block;
    padding-bottom: 25px;
    width: 55%;
    vertical-align: middle;
}

.mainTitleTextBlock {
    padding-top: 25px;
    width: 70%
}

.projectTextBlock {
    width: 65%;
    padding-bottom: 15px;
}

.paperTextBlock {
    width: 65%;
    padding-bottom: 15px;
}

/* ------------------------------------------------------------------*/
/* block with a horizontal line before the content */
.lineSeparatedBlock {
    width: 100%;
    border-top: 2pt solid #CCCCCC;
    padding-top: 25px;
    /* space below line */
    padding-bottom: 25px;
}

/* For each project entry. Adds fine line at the end. */
.projectInfo {
    width: 100%;
    border-bottom: 1pt solid #F0F0F0;
    padding-top: 15px;
    /* space below line */
}

.paperInfo {
    width: 100%;
    border-bottom: 1pt solid #F0F0F0;
    padding-top: 15px;
    /* space below line */
}

/* ------------------------------------------------------------------*/
/* text fonts etc. */

.mainTitle {
    font-size: 35px;
    padding-bottom: 20px;
}

.title {
    display: inline-block;
    font-size: 25pt;
    width: 100%;
    padding-bottom: 25px;
}

.subtitle {
    font-size: 16pt;
    padding-bottom: 10px;
}

/* Short description for the project list. */
.projectShortInfo,
.content {
    padding-bottom: 10px;
    /* Spacing between text. */
}

/* Name of the project. */
.projectName {
    font-weight: bold;
    padding-bottom: 10px;
    /* Spacing between text. */
}

.paperName {
    font-weight: bold;
    padding-bottom: 10px;
    /* Spacing between text. */
}

.paperConferenceInfo {
    padding-bottom: 10px;
    /* Spacing between text. */
    font-style: italic
}

.paperAuthorInfo {
    padding-bottom: 10px;
    /* Spacing between text. */
}

.paperLinks {
    padding-bottom: 10px;
    /* Spacing between text. */
}

/* ------------------------------------------------------------------*/
/* navigation links like home */

.home {
    display: block;
    float: right;
    padding-top: 5px;
    padding-bottom: 5px;
}

/* ------------------------------------------------------------------*/

/* block for displaying a video */
.videoWrapper {
    position: relative;
    /* padding defines video position inside video player */
    padding-bottom: 56.25%;
    /* 16:9 */
    padding-top: 0px;
    height: 0;
    /* margin used to add spacing above and below the video player */
    margin-top: 10px;
    margin-bottom: 10px;
}

/* iframe used inside videoWrapper should fill the entire space */
.videoWrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ------------------------------------------------------------------*/
/* classes for responsive design */

@media (max-device-width: 768px) {

    /* use full width for image and show text below */
    .mainTitleImage,
    .abstractImage,
    .projectImage,
    .paperImage {
        display: block;
        width: 100%;
        padding-right: 0px;
    }

    .mainTitleImage img {
        max-height: 350px;
        /* not to high images */
    }

    .mainTitleTextBlock,
    .abstractTextBlock,
    .projectTextBlock,
    .paperTextBlock {
        display: block;
        width: 100%;
    }

    .mainTitleTextBlock {
        padding-top: 0px;
    }

    /* TODO: font size for responsive design */
    body {
        font-size: 1.6em;
    }

    .mainTitle,
    .title,
    .subtitle {
        font-size: 1.6em;
    }
}