<html>
<head>
<style>
#grad1 {
height: 200px;
background-color: red; /* For browsers that do not support gradients */
background-image: linear-gradient(to right, red , yellow);
}
</style>
</head>
<body>
<h1>Linear Gradient - Left to Right</h1>
<p>This linear gradient starts red at the left, transitioning to yellow (to the right):</p>
<div id="grad1"></div>
</body>
</html>