.play-button {
    border: 0;
    background: transparent;
    box-sizing: border-box;
    width: 0;
    height: 3rem;
    border-color: transparent transparent transparent #202020;
    transition: 100ms all ease;
    cursor: pointer;
    border-style: solid;
    border-width: 1.5rem 0 1.5rem 3rem;
}
.play-button.paused {
border-style: double;
border-width: 0px 0 0px 3rem;
}
.play-button:hover {
border-color: transparent transparent transparent #404040;
}

.fullscreen-button {
    height: 3rem;
    width: 3rem;
}