.regex-tester-container{background:#fff;border-radius:8px;margin:20px auto;padding:20px;box-shadow:0 2px 10px #0000001a}.regex-tester-form .error-message{color:red;text-align:center;margin-top:10px;padding:10px}.regex-tester-form .form-group{margin-bottom:40px}.regex-tester-form .form-group:last-of-type{margin-bottom:10px}.regex-tester-header{margin-bottom:20px}.regex-tester-form label{margin:10px 0;display:block}.regex-tester-form input,.regex-tester-form textarea{border:1px solid #ccc;border-radius:4px;width:100%;padding:10px}.regex-tester-form textarea{background:#fff;padding:15px}.regex-tester-form button{cursor:pointer;border:none;margin-top:10px;font-size:16px}.regex-tester-results h2{color:#333}.regex-tester-results ul{padding:0;list-style-type:none}.regex-tester-container{position:relative}.regex-tester-results{margin:30px 0;padding:20px 0}.regex-tester-results h2{color:#333;margin-bottom:20px;font-size:20px}span.highlight{color:#fff;background:#004eac;padding:0 5px}div#results{background:#e6f7ff;padding:20px;font-size:17px;line-height:2.5}