style.css

body {
    font-family: 'Montserrat', sans-serif;
    font-family: 'Roboto', sans-serif;
    font-family: 'Fraunces', serif;
    font-family: 'Montserrat', sans-serif;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    background-color: hsl(30, 38%, 92%);
    display:flex;
    flex-direction:column; 
    justify-content:center;
}

main {
    background-color: hsl(0, 0%, 100%);
    display: flex;
    height: 500px;
    width: 660px;
    border-radius: 12px;
    margin: auto;
    margin-top: 80px;
}

main .left_image img {
    border-radius: 12px 0 0 12px;
    height: 500px;
    width: auto;
}

main h3 {
    letter-spacing: 0.4em;
    font-family: Montserrat;
    font-weight: 500;
    color: hsl(228, 12%, 48%);
    padding: 28px 0 0px 28px;
    font-size: 14px;
    margin: 0;
}

main h1 {
    margin: 0;
    padding: 20px 28px 4px 28px;
    font-size: 38px;
    font-family: Fraunces;
    font-weight: 700;
    line-height: 1em;
    color: hsl(212, 21%, 14%);
}

main p {
    margin: 0;
    padding: 20px 28px 4px 28px;
    font-size: 16px;
    font-family: Montserrat;
    font-weight: 500;
    color: hsl(228, 12%, 48%);
    line-height: 1.5em;
}

main div.prices {
    padding: 20px 28px 4px 28px;
    display: flex;
    align-items: center;
}

main div.prices .priceAfter {
    font-family: Fraunces;
    color: hsl(158, 36%, 37%);
    font-size: 34px;
    padding-right: 18px;
    
}

main div.prices .priceBefore{
    text-decoration:line-through;
    font-family: Montserrat;
    font-size: 14px;
    color: hsl(228, 12%, 48%);
} 

main .btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 326.67px;
    height: 30px;
    margin-top: 50px;
}

main .btn button {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: montserrat;
    font-weight: 700;
    width: 270.67px;
    height: 50px;
    background-color: hsl(158, 36%, 37%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    gap: 10px;
    cursor: pointer;
}

main .btn button i {
    font-weight: 700;
}

main .btn button:hover {
    background-color: hsl(158, 100%, 16%);
}

@media (max-width: 375px) {

    

}