this an example...
h2{color:#000;font-size:30px;font-weight:normal;visibility: hidden;}h3{color:#2e2935;font-size:24px;font-weight:bold;visibility: hidden;}h4{color:#2e2935;font-size:20px;font-weight:bold;visibility: hidden;}h5{color:#2e2935;font-size:16px;font-weight:bold;visibility: hidden;}h6{color:#2e2935;font-size:12px;font-weight:bold;visibility: hidden;}