.hero-container {
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    height: 100vh;
}

.hero-container .hero-title {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.hero-container .hero-title h1 {
    text-align: center;
    width: 75%;
    background-color: black;
}

.hero-container .hero-title p {
    text-align: center;
    width: 50%;
    background-color: black;
}

.testimonial-thumbnail, .testimonial-flag {
    width: 100px !important;
    height: 100px !important;
    border-radius: 50%;
    border: solid 2px #0AB4FF;
}

.thumbnails-box {
    position: relative;
}

.flag-box a {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

.flag-box a:hover {
    opacity: 1;
}  

.testimonial-language {
    color: #343A40;
    font-size: 15px;
    font-weight: bold;
}

@media only screen and (max-width: 768px) {
    .hero-container h1 {
        font-size: 18px;
    }

    .hero-container p {
        font-size: 14px;
    }

    .testimonial-thumbnail, .testimonial-flag {
        width: 80px !important;
        height: 80px !important;
        border-radius: 50%;
        border: solid 2px #0AB4FF;
    }
}

@media only screen and (max-width: 767px) {
    .schedule-section {
        margin-top: 2em;
    }
}