.TheoryBoxVideo { overflow: hidden; border-radius: 10px; line-height: 0px; text-align: center; } .MockCodeBlock { border: 1px solid #eaecf0; border-radius: 2px; margin: 10px 6px; padding: 1px 4px; background-color: #252323; font-family: monospace,monospace; } .fpbox { background-color: #121212; margin: 0px 10px 20px 10px; padding: 2px; border-radius: 8px; border: 1px solid #363636; }