.subtitle {
    color: #152e5b;
    font-size: 36px;
    opacity: 1;
    text-align: center;
    font-variant: small-caps;
}


.card-content {
    color: #142D5A;
    font-size: 20px;
    text-align: center;

}


.grix {
    margin: 0 auto;
}

@media screen and (max-width: 600px) {
    .subtitle {
        font-size: 30px;
        margin-bottom: 10px;
    }
}

@media screen and (max-width: 960px) {
    .subtitle {
        text-align: center;

    }
}