style.css

html {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: whitesmoke;
	overflow-x: hidden;
	font-family: Verdana, sans-serif;
	font-size: 1rem;
	line-height: 1.8rem;
}

.container {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	margin-top: 5px;
	margin-bottom: 25px;
}

/* Loader */
.loader {
	background-color: whitesmoke;
	height: 100vh;
	width: 100vw;
	position: fixed;
	z-index: 10;
	display: flex;
	justify-content: center;
	align-items: center;
}

/* Navigation */
.navigation-container {
	position: fixed;
	top: 0;
}

.navigation-items {
	display: flex;
	justify-content: center;
}

.background {
	background: whitesmoke;
	position: fixed;
	right: 0;
	width: 100%;
	height: 60px;
	z-index: -1;
}

.clickable {
	color: rgb(85, 85, 136);
	cursor: pointer;
	user-select: none;
}

.clickable:hover {
	color: rgb(4, 4, 124);
}

/* Images Container */
.images-container {
	width: 800px;
	margin-top: 50px;
}

.card {
	background: white;
	margin: 10px 10px 20px;
	border-radius: 5px;
	box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
	transition: 0.3s;
}

.card:hover {
	box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.card-img-top {
	width: 100%;
	height: auto;
	border-radius: 5px 5px 0 0;
}

.card-body {
	padding: 20px;
}

.card-title {
	margin: 10px auto;
	font-size: 24px;
}

/* Save Confirmation */
.save-confirmed {
	background: white;
	padding: 8px 16px;
	border-radius: 5px;
	box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
	transition: 0.3s;
	position: fixed;
	bottom: 25px;
	right: 50px;
}

/* Hidden */
.hidden {
	display: none;
}

/* Large Smartphone (Vertical) */
@media screen and (max-width: 800px) {
	body {
		line-height: 1.4rem;
		font-size: 0.9rem;
		text-align: justify;
	}

	.images-container {
		width: 100%;
	}

	.card-title {
		font-size: 20px;
	}

	.save-confirmed {
		right: 25px;
	}
}