body {
    margin: 0px;
    font-family: ubuntu;
    overflow-x: hidden;
}


header {
    margin: auto;
    padding: 2vw;
}

#brand-name {
    font-size: 1.3vw;
    font-weight: 900;
    padding: 2vw;
}

#main-container {
    width: 90%;
    margin: auto;
}

#main-container h1 {
    text-align: center;
    font-size: 4vw;
}

#introduction {
    display: flex;
    align-items: stretch;
}

#introduction-media {
    width: 45%;
    padding: 2vw;
    margin: 0px;
}

#introduction-media iframe {
    width: 100%;
    height: 110%;
}

#introduction-content {
    width: 50%;
}

.cta {
    background: rgb(255, 0, 47);
    width: 40%;
    letter-spacing: 1vw;
    text-align: center;
    padding: 2vw;
    border-radius: 5px;
}

#testimonial-wrapper {
    display: flex;
    justify-content: space-around;
    border-top: 1px dashed rgb(72, 255, 0);
    margin-top: 2vw;
    padding-top: 2vw;
    overflow-x: scroll;
}

.testimonial {
    text-align: center;
    padding: 2vw;
    width: 25%;
    min-width: 220px;
    background: rgb(240, 234, 234);
}

.testimonial:not(:first-child) {
    margin-left: 10px;
}

.testimonial img {
    width: 200px;
    border-radius: 50%;
}

.testimonial .header {
    font-weight: 900;
    font-size: 1.8vw;
}

footer {
    margin-top: 2vw;
    padding-top: 2vw;
    border-top: 1px dashed rgb(72, 255, 0);
    text-align: center;
}


/* for mobile screen   */

@media screen and (max-width: 500px) {
    body {
        font-size: 5vw;
        margin: auto;
    }
    #brand-name {
        font-size: 5vw;
        font-weight: 900;
    }
    #main-container h1 {
        font-size: 8vw;
    }
    #introduction {
        flex-direction: column;
    }
    #introduction-media {
        width: 95%;
    }
    #introduction-content {
        width: 100%;
    }
    .cta {
        width: 60%;
    }
    #testimonial-wrapper {
        justify-content: flex-start;
        overflow-x: auto;
        margin-top: 5vw;
        padding-top: 5vw;
    }
    .testimonial {
        min-width: 90%;
    }
    .testimonial .header {
        font-size: 6vw;
    }
    /* to hide the scroll bars. Doesn't look good in browsers. Style it if you want   for mobile only */
     ::-webkit-scrollbar {
        display: none;
    }
}