Double Border Button

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Double Border Button</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #fff;
            margin: 0;
        }
        .double-border-button {
            padding: 20px 40px;
            font-size: 18px;
            font-weight: bold;
            color: #fff;
            background: #16a085;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            outline: none;
            position: relative;
            transition: all 0.3s ease;
        }
        .double-border-button::before, .double-border-button::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .double-border-button::before {
            border: 2px solid #1abc9c;
        }
        .double-border-button::after {
            border: 4px solid #1abc9c;
            transform: scale(0.9);
        }
        .double-border-button:hover::before, .double-border-button:hover::after {
            transform: scale(1.1);
        }
        .double-border-button span {
            position: relative;
            z-index: 1;
        }
    </style>
</head>
<body>
    <button type="button" class="double-border-button">
        <span>Double Border</span>
    </button>
</body>
</html>

Double Border Button - VexaX