.heading-container-single{text-align:center;margin-left:6%;margin-right:6%}@media amzn-mobi{.heading-container-single{margin-left:0;margin-right:0}}.heading-container-single h1.element-title,.heading-container-single div.element-number,.heading-container-single h1.element-number-and-title,.heading-container-single h2.element-subtitle,.heading-container-single h2.element-author{text-align:center}
