body{ padding-bottom: 100px;}
img{width: 100%; height: auto; }
audio{ width: 70%;}
h4{margin-top: 0.533rem;margin-bottom: 0.533rem;  text-align: center; color: red;}
div{text-indent: 2em;font-size:0.8rem; line-height: 1.4rem; margin:0 0.5rem; }