body { text-align: center; }

.button {
background-color: #b8b2b2; /* Grey */
border: .5px solid #000000; /* Black */
color: black;
padding: 5px 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
border-radius: 12px;
}

h4.class1 { color: green; }
h4.class2 { color: blue; }
h4.class3 { color: red; }
h5 { font-family: "Lucida Console", Monaco, monospace; }