.about_us{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    padding: 20px;
    padding-top: 40px;
}
.about_us_description{
    margin: 0;
    margin-bottom: 20px;
    font-size: 1.2em;
    line-height: 1.3em;
    text-align: center;
    width: 100%;
    max-width: 900px;
}
.about_us_values_title{
    margin: 0;
    margin-bottom: 20px;
    font-size: 1.4em;
}
.about_us_values_description{
    margin: 0;
    margin-bottom: 20px;
    width: 100%;
    font-size: 1em;
    word-spacing: 1.5em;
    line-height: 1.5em;
    font-weight: 600;
    text-align: center;
}

@media only screen and (min-width: 700px) {
    .about_us_description{
        margin-bottom: 20px;
        font-size: 1.4em;
        line-height: 1.4em;
        margin-bottom: 40px;
    }
    .about_us_values_title{
        margin: 0;
        margin-bottom: 40px;
        font-size: 1.6em;
    }
    .about_us_values_description{
        font-size: 1.2em;
    }
}