p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}

 
.embed-container { 
 position: relative; 
 padding-bottom: 56.25%; 
 height: 0; 
 overflow: hidden; 
 max-width: 100%; 
 height: auto;
 margin-top: 30px;
 margin-bottom: 30px; 
} 
.embed-container iframe, .embed-container object, .embed-container embed {
 position: absolute; 
 top: 0; 
 left: 0; 
 width: 100%; 
 height: 100%; 
}