.ctrl-btn width: 32px; height: 32px; font-size: 1rem;

.progress-track:hover height: 7px;

<!-- center progress bar --> <div class="controls-center"> <div class="progress-bar"> <div class="progress-track" id="progressTrack"> <div class="progress-buffer" id="bufferIndicator"></div> <div class="progress-filled" id="progressFilled"></div> </div> </div> </div>

);

.video-wrapper video width: 100%; height: auto; display: block; vertical-align: middle;