header h1, main {
    max-width: 600px;
    width: 85%;
    margin: 0 auto;
}
header {
    background: url('../images/banner.JPG') no-repeat scroll center / cover;
    margin-bottom: 2rem;
    padding: 2rem 0;
    border-bottom: 2px solid #2c2c2c;
    box-shadow: 0 2px 5px 5px rgba(30, 30, 30, 0.5);
}
header h1 {
    /*margin: 0;*/
}

section {
    background-color: #222; 
    padding: 1rem;
    font-family: sans-serif;
    border-radius: 0.5rem;
    border: 2px solid #2c2c2c;
    box-shadow: 0 2px 5px 5px rgba(30,30,30,0.5);
}

/* navigation */
#postNav {
    text-align: center;
}
#postNav li {
    display: inline-block;
}
#postNav a {
    font-weight: 700;
}
#postNav a:not(:hover, :active, :focus) {
    color: #fff;
}

/* images */
.postImg {
    margin-left: -1rem;
    margin-bottom: 1rem;
    width: calc(100% + 2rem);
    max-width: none;
}
.postImg + .postImg { 
    margin-top: -1rem;
}
.videoPlayer video {
    display: block;
    width: 100%;
}
ul + .postImg {
    margin-top: 1rem;
}

/* special styles for chapter start posts */
section.chapterStart {
    border-radius: 0 0 0.5rem 0.5rem;
}
section.chapterStart .postImg {
    margin-top: -1rem;
}

/* poll */
.poll {
    max-width: 400px;
    margin: 2rem auto 0;
}
.pollHeading {
    text-align: center;
}
.poll ol {
    list-style: none;
    color: #222;
    padding: 0;
}
.poll li {
    display: flex;
    align-items: center;
    width: 100%;
    background-color: #e9f1ea;
    font-weight: 700;
    margin: 0.5rem 0;
    padding: 0.5rem;
    border: 1px solid #eee;
    border-radius: 0.25rem;
    position: relative;
    z-index: 1;
}
.poll .pollTxt {
    flex-grow: 1;
}
.poll .votePercentage {
    font-weight: 400;
    padding-left: 0.75rem;
}
.poll .voteCount {
    text-align: center;
    font-size: 85%;
    margin-bottom: 0;
}
.poll .voteBlock {
    background-color: #acbeaf;
    width: 0%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    border-radius: 0 0 0.25rem 0.25rem;
}