.rst-content .line-block {
    line-height:35px;
}

.video-wrap {
    position:relative;
    padding-bottom: 56.25%;
    padding-top: 30px;
    height: 0;
    overflow: hidden;
}

.video-wrap iframe,
.video-wrap object,
.video-wrap embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

center-text-for-figure {
    display: inline-block;
    text-align: center;
    width: 100%;
}

.rst-content div[class^=highlight] pre {
    font-size  : 16px;
}