agecem-org/public/css/general.css

html {
    box-sizing: border-box;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

img {
    max-width: 100%;
}

body {
    margin: 0;
    padding-top: 60px;
}

ul {
    margin: 0;
}

.wrapper {
    max-width: 375px;
    width: calc(100% - var(5px));
    margin: 0 auto;
}

.heading1 {
    font-family: "Poppins";
    font-weight: 600;
    /*semi-bold*/
    font-size: 3rem;
    /*48px*/
    color: #394596;
    /*Bleu AGECEM*/
    text-align: center;
}

.heading2 {
    font-family: "Poppins";
    font-weight: 300;
    /*light*/
    font-size: 1rem;
    /*16px*/
    color: #394596;
    /*Bleu AGECEM*/
    text-align: center;
}

@media screen and (min-width: 768px) {
    .wrapper {
        max-width: 768px;
        width: calc(100% - var(15px));
    }

    .heading1 {
        font-size: 4rem;
        /*64px*/
    }

    .heading2 {
        font-size: 1.5rem;
        /*24px*/
    }
}

@media screen and (min-width: 1140px) {
    .wrapper {
        max-width: 1140px;
        width: calc(100% - var(30px));
    }
}