*{
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    box-sizing: border-box;
}

.hero-banner{
    width: 100%;
    height: 20vw;
    min-height: 200px;
    background-image: url(./img/nchs-gallery-banner-f.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 0 44%;
    padding: 0;
    margin: 0 auto 2.5%;
    position: relative;
}

.hero-banner .banner-container{
    width: 80%;
    height: auto;
    font-family: 'Roboto', sans-serif;
    text-align: center;
    color: white;
    margin: 0 auto;
    padding: 5% 0 0;
    text-transform: uppercase;
}

.hero-banner h1{
    font-size: 60px;
    letter-spacing: 5px;
    margin-bottom: 1.5%;
}

.hero-banner h2{
    font-size: 24px;
}

.hero-banner .border{
    width: 15%;
    height: 3px;
    background: white;
    margin: 1.5% auto;
}

.gallery-section{
    width: 100%;
    padding: 2.5% 0;
    background:#fff;
}

.header{
    margin: 0 auto;
    text-align: center;
    padding-bottom: 2.5%;
    font-size: 20px;
    color: firebrick;
}

.header .border{
    width: 15%;
    height: 3px;
    background: firebrick;
    margin: 1.5% auto 0;
}

.inner-width{
    width: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 1%;
    height: 400px;
    overflow-y: scroll;
    background-color: firebrick;
    background-image: url("./img/chinese_cloud_pattern.png");
    background-repeat: repeat;
    background-size: contain;
}

.gallery-section h1{
    text-align: center;
    color: black;

}

.gallery-section .gallery{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.gallery-section .image{
    width: 20%;
    overflow: hidden;
    cursor: pointer;
    padding: 1%;
}

.gallery-section .image img{
    max-width: 100%;
    max-height: 100%;
    transition: 0.4s;
}

.gallery-section .image:hover img{
    transform: scale(1.25);
}

@media only screen and (max-width: 960px){
    .gallery-section .image{
        flex: 33.33%;
    }
    .hero-banner .border,
    .header .border{
        width: 25%;
    }
}

@media only screen and (max-width: 768px){
    .gallery-section .image{
        flex: 50%;
    }
    .inner-width{
        height: 300px;
    }
}

@media only screen and (max-width: 600px){
    .hero-banner .border,
    .header .border{
        width: 50%;
    }
}

@media only screen and (max-width: 400px){
    .inner-width{
        height: 200px;
    }
    .header{
        font-size: 16px;
    }
}

@media only screen and (max-width:4px){
    .gallery-section .image{
        flex: 33.33%;
    }
}