* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;

    background: transparent;
}

/* BOTÓN */

.play-button {
    width: 60px;
    height: 60px;

    padding: 0;
    margin: 0;

    border: none;
    border-radius: 50%;

    background: #e197a8;

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

    cursor: pointer;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

/* EFECTO AL PASAR EL MOUSE */

.play-button:hover {
    transform: scale(1.05);

    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.16);
}

/* EFECTO AL TOCAR */

.play-button:active {
    transform: scale(0.95);
}

/* TRIÁNGULO */

.play-icon {
    width: 0;
    height: 0;

    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    border-left: 14px solid white;

    margin-left: 4px;
}