<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.gradient {
height: 200px;
background-image: linear-gradient(to left, rgba(235, 117, 253, 0), rgba(235, 117, 253, 1));
}
</style>
</head>
<body>
<div class="gradient"></div>
</body>
</html>