* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

.container {
    width: 100%;
    min-height: 100vh;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.btn {
    position: relative;
    color: #fff;
    line-height: 2.3em;
    display: flex;
    background: #ff0000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border-radius: 50%;
    transition: all .5s ease-in-out;
}

.btn.active {
    box-shadow: 0 0 0 150vh #ff0000
} 

.btn.close {
    box-shadow:none;
}

.btn .play {
    position: relative;
    width: 80px;
    height: 80px;
    background: #f42e79;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: player 1.5s linear infinite;
    transition: all .5s ease-in-out;
    box-shadow: 0 0 3px 3px #2c2c2c,
                0 0 6px 6px #505050,
                0 0 9px 9px grey,
                0 0 12px 12px #fff;
    cursor: pointer;
}

.btn .play:active {
    cursor: grabbing;
}

@keyframes player {
    25% {
        transform: scale(.9);
    }

    50% {  
        transform: scale(1.1);

    }

    75% {
        box-shadow: 0 0 6px 6px grey;
    }

    100% {
        box-shadow: 0 0 12px 12px #fff;
    }
}

.btn .play:before {
    position: absolute;
    content: "";
    border: 25px solid #fff;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-right: 0 solid transparent;
}

.btn p {
    letter-spacing: 4px;
}

.play.active {
    transition-delay: .5s;
    transform: scale(0)
}

.play.close {
    transform: scale(1);
}

.clip {
    position: absolute;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    transition: all 1.5s ease-in-out;
    transform: scale(0);
}

.clip.active {
    display: flex;
    transform: scale(1);
    transition-delay: 0.5s;
}

.clip.close {
    display: flex;
    transform: scale(0);
}

.clip .close {
    position: absolute;
    top: 10px;
    left: 90%;
    color: #fff;
    cursor: pointer;
    transition: all 0.8s ease-in-out;
}

.clip .close:hover:before {
    content: "";
    position: absolute;
    top: 100%;
    width: 100%;
    height: 1.2px;
    transition: all 0.8s ease-in-out;
    background: #fff;
}

.clip video {
    width: 50%;
    outline: none;
    box-sizing: content-box;
    border-radius: 10px;
    border: 5px solid #fff;
}

@media (max-width: 767.9px) {
    .clip video {
        width: 80%;
    }
}