Subscribe Form với HTML và CSS

1. HTML

<div id="container">
		<h2>Subscribe</h2>
		<p>Stay updated with our newsletter</p>
		<form>
			<input type="email" placeholder="Type your Email" required>
			<br>
			<button>Subscribe</button>
		</form>
	</div>

2. CSS

/* fonts  */
		@import url("https://fonts.googleapis.com/css?family=Abel|Aguafina+Script|Artifika|Athiti|Condiment|Dosis|Droid+Serif|Farsan|Gurajada|Josefin+Sans|Lato|Lora|Merriweather|Noto+Serif|Open+Sans+Condensed:300|Playfair+Display|Rasa|Sahitya|Share+Tech|Text+Me+One|Titillium+Web");

		body {
			/* 	background-image: linear-gradient(to top, #cd9cf2 0%, #f6f3ff 100%); */
			background: url(https://static.pexels.com/photos/5782/nature-flowers-vintage-plant.jpg);
			background-attachment: fixed;
			background-size: cover;
			margin: 0;
		}

		#container {
			background-image: linear-gradient(
				to top,
				rgba(205, 156, 242, 0.4) 0%,
				rgba(246, 255, 255, 0.71) 100%
				);
			box-shadow: 0 15px 30px 1px rgba(128, 128, 128, 0.31);
			text-align: center;
			border-radius: 5px;
			margin: 3em auto;
			background: rgba(255, 255, 255, 0.95);
			height: 300px;
			width: 480px;
			padding: 1em;

			position: fixed;
			bottom: 0;
			right: 0;
			left: 0;
			top: 0;
		}

		#container h2 {
			background: url(https://static.pexels.com/photos/5782/nature-flowers-vintage-plant.jpg);
			/*   الكود المسؤال عن اضافة شفافية للنص */
			-webkit-text-fill-color: transparent;
			-webkit-background-clip: text;
			/* 	background-image: linear-gradient(to top, #cd9cf2 0%, #f6f3ff 100%); */
			font-family: "Playfair Display", serif;
			background-repeat: no-repeat;
			background-attachment: fixed;
			background-size: cover;
			letter-spacing: 2px;
			font-size: 3.5em;
			margin: 0;
		}
		#container p {
			font-family: "Farsan", cursive;
			margin: 3px 0 1.5em 0;
			font-size: 1.3em;
			color: #7d7d7d;
		}

		#container input {
			/* 	background: rgba(255, 13, 254, 0.90); */
			width: 210px;
			display: inline-block;
			text-align: center;
			border-radius: 7px;
			background: #eee;
			padding: 1em 2em;
			outline: none;
			border: none;
			color: #222;
			transition: 0.3s linear;
		}
		::placeholder {
			color: #999;
		}
		#container input:focus {
			background: rgba(0, 0, 333, 0.1);
		}

		#container button {
			background-image: linear-gradient(
				to left,
				rgba(255, 146, 202, 0.75) 0%,
				rgba(145, 149, 251, 0.86) 100%
				);
			box-shadow: 0 9px 25px -5px #df91fb;
			font-family: "Abel", sans-serif;
			padding: 0.5em 1.9em;
			margin: 2.3em 0 0 0;
			border-radius: 7px;
			font-size: 1.4em;
			cursor: pointer;
			color: #ffffff;
			font-size: 1em;
			outline: none;
			border: none;
			transition: 0.3s linear;
		}
		#container button:hover {
			transform: translatey(2px);
		}
		#container button:active {
			transform: translatey(5px);
		}

3. JAVASCRIPT