style.css

video {
	/* width: 100%; */
}

body {
	padding-top: 20px;
}

.container.mycontainer {
	max-width: 700px;
}

.chevron::after {
	content: " \BB";
}

.steps>div {
	display: none;
}

.input-and-button {
	display: flex;
}

.input-and-button > input {
	margin-right: 15px;
}

@keyframes red-pulse {
	0% {
		background: rgb(201, 48, 44);
	}

	100% {
		background: rgb(217, 83, 79);
	}
}

.record-icon {
	width: 0.75em;
	height: 0.75em;
	border-radius: 50%;
	display: inline-block;
	opacity: 0;
	animation: red-pulse 2s ease-in-out 0s alternate infinite none running;
	transition: opacity 0s linear 3s;
}

.counting .record-icon {
	opacity: 1;
}

.recording-timer-outer {
	transition: opacity 0.5s ease-in 3s;
	opacity: 0;
}

.counting .recording-timer-outer {
	opacity: 1;
}

* > .liveview-overlay-wrapper {
	position: relative;
	line-height: 0;
}

.liveview-overlay {
	width: 100%;
	height: 100%;
	background: black;
	opacity: 0.5;
	position: absolute;
	top: 0;
	left: 0;
}

.liveview-overlay-content-wrapper {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;

	overflow: hidden;
}

.liveview-overlay-wrapper {
	overflow: hidden;
}

.countdown-number {
	color: white;
	display: block;
}

.countdown-inner {
	transform: translate(0, 0);
	height: 100%;
	text-align: center;
	transition: transform 4s steps(4, start);
}

.countdown-inner > * {
	width: 100%;
	height: 100%;

	display: flex;
	justify-content: center;
	align-items: center;
}

.counting .countdown-inner {
	transform: translate(0, -400%);
	animation: countdown-fade 1s ease-in 3;
}

.fade-at-countdown-end {
	transition: opacity 0.5s ease-in 3s;
}

.counting .fade-at-countdown-end {
	opacity: 0;
}

@keyframes countdown-fade {
	0% {
		opacity: 1;
	}
	90% {
		opacity: 0;
	}
	100% {
		opacity: 0;
	}
}