.carlin-top-menu {
	margin: 20px;
	display: block;
	margin-left: auto;
	margin-right: auto;
}

  <div class="carlin-top-menu">
    <div class="btn-group">
        <button type="button" class="btn btn-warning btn-lg">FAQ <span class="glyphicon glyphicon-bullhorn"></span></button>
        <button type="button" class="btn btn-warning btn-lg">Discography <span class="glyphicon glyphicon-headphones"></span></button>
        <button type="button" class="btn btn-warning btn-lg">Bogus Quotes <span class="glyphicon glyphicon-warning-sign"></span></button>
        <button type="button" class="btn btn-warning btn-lg">Real Quotes <span class="glyphicon glyphicon-ok"></span></button>

public class SimpleCipher {

    public char[] plaintext = new char[] {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
                                          'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
                                          's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
                                          'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
                                          'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
                                          'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',

private void testCipher() {
    SimpleCipher cipher = new SimpleCipher();

    char[] encryptedMessage = cipher.characters("combat", "messagefool#12fool%%$14coolness", true);

    System.out.println(encryptedMessage);

    String stringToDecrypt = "";
    for (int i = 0; i < encryptedMessage.length; i++) {
        stringToDecrypt = stringToDecrypt + encryptedMessage[i];
    }

    char[] decryptedMessage = cipher.characters("combat", stringToDecrypt, false);

    System.out.println(decryptedMessage);

    public Operator(String key, DoubleBinaryOperator operator) {
        this(key, operator, null);
    }

    public Operator(String key, DoubleBinaryOperator operator, DoubleUnaryOperator unaryOperator) {
        this.key = key;
        this.op = operator;
        this.unaryOperator = unaryOperator;
    }

xltkfqdt ol pgt
username is joe
+`[[:=}@q&[qY34Tqyu^`^`i
password#is#THIS#*(haha)
p78o?/QW8o?/QWp74?/QWp78i3?/QWp4op
this!@#$is!@#$the!@#$third!@#$test