.banner {
    background: url("https://file.hstatic.net/1000378166/article/du-lich-an-giang-doc-dao_2228d27c2699417c87b74bedea6d110c.jpg")  no-repeat center center;
    background-size: cover; /*Hình ảnh có thể bị cắt để lấp đầy toàn bộ phần tử*/
    padding-top: 12rem;
    padding-bottom: 12rem;
    text-align: center !important;
    color: darkred; !important;
}
.slogan {
    background-color: rgb(0, 240, 240) !important;
    text-align: center !important;
 	width: 100%;
    padding-right: 2rem;
    padding-left: 2rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
}
.slogan-h2{
    font-size: 120%;
}
.row {
    display: flex;
    flex-wrap: wrap;
    margin-top: -1px;  
    max-width: 100%;
    padding-right: 3rem;
    padding-left: 3rem;
}
.block_3 {
    flex: 0 0 auto;
    width: 33.33333%;
}
div#b3a:hover{
    font-size: 120%;
    color: red;
}
div#b3b:hover{
    font-size: 120%;
    color: red;
}
div#b3c:hover{
    font-size: 120%;
    color: red;
}
table
{
	width: 90%;
	margin: 0 auto;
}
.cell_img {
	width: 50%;
}
.cell_text {
	width: 50%; padding-left: 5rem;
}
.img {
	width: 100%; 
	height: 100%;
}
.img_tv {
    width: 50%; 
    height: 50%;
    /*text-align: center;*/
    margin: 0 auto;
}
.menu {
	font-size:120%; 
	text-decoration: none;
}
.cell {
	text-align: justify; 
	padding: 1.5em;
}
footer {
	background-color: lightgrey; 
	margin: 1px; 
	padding: 10px;
}
.link {
	color: navy; 
	text-align: left;
}
        section {
            padding: 40px;
            text-align: center;
        }

        section h2 {
            font-size: 2.5em;
            margin-bottom: 20px;
        }

        section p {       
            font-size: 1.1em;
            line-height: 1.6;
            max-width: 900px;
            margin: 0 auto;
        header {
            background-color: #2c3e50;
            color: white;
            text-align: center;
            padding: 30px 0;
        }

        header h1 {
            font-size: 3em;
        }
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
        }

        header {
            background-color: #2c3e50;
            color: white;
            text-align: center;
            padding: 30px 0;
        }

        header h1 {
            font-size: 3em;
        }

        section {
            padding: 40px;
            text-align: center;
        }

        section h2 {
            color: #2c3e50;
            font-size: 2.5em;
            margin-bottom: 20px;
        }

        section p {
            color: #7f8c8d;
            font-size: 1.1em;
            line-height: 1.6;
            max-width: 900px;
            margin: 0 auto;
        }

        .cards {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
        }

        .card {
            background-color: white;
            width: 300px;
            margin: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: transform 0.3s;
        }

        .card:hover {
            transform: scale(1.05);
        }

        .card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .card h3 {
            padding: 15px;
            color: #34495e;
        }

        .card p {
            padding: 0 15px 15px;
            color: #7f8c8d;
        }

        footer {
            background-color: #34495e;
            color: white;
            text-align: center;
            padding: 20px 0;
            position: fixed;
            bottom: 0;
            width: 100%;
        }