.mk_01{
color: #000000;
font-size: 30px;
font-style: normal;
font-family: Baskerville, "Palatino Linotype", Palatino, "Century Schoolbook L", "Times New Roman", serif;
text-align: center;
}
.mk_02{
color: #000000;
font-size: 20px;
font-style: normal;
font-family: Baskerville, "Palatino Linotype", Palatino, "Century Schoolbook L", "Times New Roman", serif;
text-align: center;
margin-top: 10px;
}
.mk_banner1{
width: 1800px;
height: 443px;
margin-top: 150px;
margin-bottom: 0px;
background-color: #C8C8C8;
margin-left: auto;
margin-right: auto;
<head>
<meta charset="utf-8">
<title>M7</title>
<link href="css/geshi.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="mk_01"><strong>PRODUCT PRESENTATION</strong></div>
<div class="mk_02">Dido Bluetooth Speaker, Portable Wireless Waterproof Speaker with 12 Hours of Work, Bluetooth 5.0 Stereo Subwoofer</div>
<section>
<div class="mk_banner1">
<div class="mk_banner01"><img src="tupian/banner1.png" width="1100" height="443" alt=""/>
</div>
<div class="mk_yinzhi">SUPERIOR SOUND AND SOPHISTICATION</div>
<div class="mk_finesse_multifonction">Immersive sound smart multifunction speaker</div>
</div></section>
<section><body>
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