Everything seems to be functioning correctly in my code, but I would like the output images to overlap slightly. This could possibly be achieved using margins, padding, or some other script. Additionally, is there a way to incorporate z-index so that these images can properly overlap each other?
<!DOCTYPE html>
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<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Petroleum Project</title>
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<link href="css/bootstrap.min.css" rel="stylesheet">
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<link href="css/shop-item.css" rel="stylesheet">
<link href="css/home.css" rel="stylesheet">
</head>
<body>
<div id="main">
<nav id="nav01"></nav>
<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
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</button>
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<a class="navbar-brand" href="index.html">Layers_Lib</a>
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