.btn-video {
    background: #c1272e;
    color: #fff;
    height: 60px;
    line-height: 60px;
    padding: 0 30px;
    text-align: center;
    cursor: pointer;
    display: inline-block;
    font-size: 20px;
    font-weight: bold;
    transition: color .1s ease;
    text-transform: uppercase;
    box-shadow: 5px 5px 15px rgba(0,0,0,.5);
    transform: scale(1);
    animation: pulse 2s infinite;    
}

@keyframes pulse {
	0% {
		transform: scale(1.2);
	}

	50% {
		transform: scale(1);
	}

	100% {
		transform: scale(1.2);
	}
}