* {
    box-sizing: border-box;
    margin: 0;
}

html {
    font-size: 10px;
    font-family: 'Open Sans', sans-serif;
    color: #1d2a3b;
}

.container {
    max-width: 960px;
    margin: 0 auto;
}

.container.card {
    margin-top: 12.3rem;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: -5px -4px 47px 3px rgba(198, 198, 198, 0.3);
    text-align: center;
    padding: 3.6rem;
}

.title-main {
    font-size: 3.6rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 2.1rem;
}

.main-image img {
    max-width: 30rem;
    margin-bottom: 2rem;
}

.subheading {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

.card .text {
    font-size: 13px;
    letter-spacing: 0.26px;

}

/* Medias */
@media screen and (max-width: 1024px) {
    .container {
        max-width: 90%;
    }

    @media screen and (max-width: 768px) {
        html {
            font-size: 7px;
        }

        .container {
            max-width: 90%;
        }

        .container.card {
            margin-top: 6rem;
        }

        .card .text {
            font-size: 1.6rem;
        }
    }

    @media screen and (max-width: 480px) {
        html {
            font-size: 5.7px;
        }

        .container {
            max-width: 95%;
        }

        .title-main {
            font-size: 6.6vw;
        }

        .subheading {
            font-size: 13px;
        }

        .card .text {
            font-size: 12px;
        }

        footer {
            flex-direction: column;
        }
    }
}