.msm-playing{outline:2px solid #ff6b6b;outline-offset:2px}audio.msm-playing,video.msm-playing{box-shadow:0 0 5px rgb(255 107 107 / .5)}.radio-player.msm-playing{border-color:#ff6b6b}audio,video{transition:volume 300ms ease-out}iframe{outline:none}iframe.msm-playing{box-shadow:0 0 8px rgb(255 107 107 / .3) inset}audio.msm-playing[paused],video.msm-playing[paused]{outline-color:#ffa94d}