.sound {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.course__name {
    font-family: var(--ft-ff-bold);
    font-size: 60px;
    color: var(--clr-text-dark);
    margin-top: 120px;
}
.headphones {
    width: 20%;
    margin-top: 160px;
}
.title {
    font-family: "myriad-pro", sans-serif;
    font-weight: 700;
    font-size: 70px;
    color: var(--clr-primary);
    margin-top: 80px;
}
.subtitle {
    font-family: "myriad-pro", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 40px;
    color: #fff;
    margin-top: 40px;
    width: 1300px;
    margin: 0 auto;
}
#btnStart {
    margin-top: 40px;
    color: var(--clr-text-light);
    font-family: "myriad-pro", sans-serif;
    font-weight: 500;
    font-size: 42px;
    background: var(--clr-primary);
    padding: 12px 32px;
    border-radius: 10px;
    cursor: pointer;
}
#btnStart:hover {
    background-color: var(--clr-text-light);
    color: var(--clr-primary);
}