* {
    box-sizing: border-box;
}

h1 {
    margin-left: 2%;
}

h3,
section {
    font-family: helvetica;
}

.gallery-section,
.network {
    margin: 0 10%;
    margin-top: 5%;
    padding: 0 30px;
}

.inner-width img:hover {
    transform: scale(1.05) rotate(2deg);
}

img.hover-shadow {
    transition: 0.3s;
    flex: 30%;
    overflow: hidden;
    cursor: pointer;
    padding: 20px 20px;
}

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

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

.gallery img {
    object-fit: contain;
}

.bigImage img {
    margin: 0 auto;
}

.bigimage {
    align-items: center;
}

.inner-width:after {
    content: "";
    display: table;
    clear: both;
}

/* Turn off the light of background */
.ligthBox {
    display: none;
    position: fixed;
    /* z-index: 1; */
    padding-top: 5%;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: black;
}

/* Gallery Content */
.boxContent {
    position: relative;
    background-color: #FFFFFF;
    margin: auto;
    padding: 0;
    width: 40%;
    max-width: 50%;
}

/* The Close Button */
.close {
    color: white;
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 35px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: #ff0000;
    cursor: pointer;
}

.picture {
    min-height: 400px;
    display: none;
    justify-content: center;
}

/* pictures turning */
.prev,
.next {
    cursor: pointer;
    position: absolute;
    top: 0;
    padding: 16px;
    margin-top: -55px;
    color: #ffffff;
    font-size: 20px;
    transition: 0.4s;
}

.next {
    right: 0;
}

/* Change the color when hover to two buttons */
.prev:hover,
.next:hover {
    background-color: rgba(255, 246, 166, 0.8);
}

/* index / 10 */
.numbertext {
    color: #c1c000;
    font-size: 20px;
    padding: 8px 8px;
    position: fixed;
    top: 5%;
}

/* show the description of the index text */
.description {
    background-color: #000000;
    padding: 2px 16px;
    font-family: helvetica;
    color: white;
}

img.thumbnail {
    transition: 0.3s;
    opacity: 0.6;
    flex: 20%;
    overflow: hidden;
    cursor: pointer;
    padding: 5px 5px;
}

img.thumbnail:hover {
    transform: scale(1.1)
}

.active,
.thumbnail:hover {
    opacity: 1;
}