* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: Arial, sans-serif;
	font-size: 16px;
}

body {
	font-size: 1rem;
	max-width: 900px;
	width: 100%;
	margin: 0 auto;
	line-height: 1.5em;
	background: #e1e4e5;
}

p {
	margin-bottom: 20px;
	font-weight: 600;
}

.textp p{
	margin-top: 20px;
	font-weight: 500;
}

a {
	color: #00979e;
	text-decoration: none;
}

header {
	display: block;
	text-align: center;
	padding: 20px;
	background: #00979e;
	color: #fff;
}

header h1 {
	font-size: 1.6rem;
	margin: 0;
}


header nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	margin-top: 10px;
	justify-content: space-around;
}

header nav ul li {
    margin-right: 10px;
    border: 1px solid #e1e1e1;
    padding: 0 10px;
}

header nav ul li a {
	color: #fff;
}

main {
	margin: 30px 0;
	background: #fff;
	padding: 20px;
}

h1 {
	font-size: 1.4rem;
	margin-bottom: 20px;
	text-align: center;
}


footer {
	text-align: center;
	padding: 1rem;
	background: #fff;
}

footer p {
    margin: 0;
}

.grid-container {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-gap: 10px;
	padding: 10px;
}

.grid-item {
	height: 150px;
	border: 1px solid #ccc;
	text-align: center;
	padding: 10px;
	cursor: pointer;
}

.grid-item img {
	width: 72px;
	height: auto;
}

#share-button {
    position: fixed;
    bottom: 120px;
    right: 10px;
    z-index: 9999;
    width: 50px;
    height: 50px;
    background: url(./shareico.webp) center center/30px no-repeat #fff;
    cursor: pointer;
    border: 1px solid #ebe7e7;
    border-radius: 25px;
    text-decoration: none;
    transition: .1s ease-out;
}

@media only screen and (max-width: 767px) {
	.grid-container {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media only screen and (max-width: 506px) {
	.grid-container {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media only screen and (max-width: 390px) {
	.grid-container {
		grid-template-columns: 1fr;
	}
}