h1 {text-align:center;
    font-family: verdana;
    color: red;}
    p {font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;}
    h3 {text-align: center;}
    h4 {text-align: center;
        font-family: Arial, Helvetica, sans-serif;}
    .greenText {color: green;font-size: 35px;
    font-family: verdana;}
    .blueText {color: blue;font-size: 35px;
    font-family: verdana;}
    .yellowText {color: yellow;font-size: 35px;
    font-family: verdana;}
    .center {
        display: block;
        margin-left: auto;
        margin-right: auto;}
    .boldText {font-family: Arial, Helvetica, sans-serif;
        font-size: 16px;}
    img {border: 2px solid black;}
    .boldText2 {font-family: Arial, Helvetica, sans-serif;
        font-size: 20px;}
    .indent {text-indent: 50px;}  
    .bg_green {background-color: lime;} 
    .spec {background-color: red; font-size: 16px;}
    .code {font-size: 12px;
        font-family: 'Courier New', Courier, monospace;}
    .bild {font-family: Arial, Helvetica, sans-serif; 
           font-size: 14px;
           text-align: center;}
    .line50 {width:50%; margin-left:0;}
    .line70 {width:70%;text-align:center;margin: left 25px;}
    .end {font-family: Arial, Helvetica, sans-serif; font-size: 12px;}
    body {background-color:lightyellow;}
    a {color:#666666;
        font-size: 16px;
        text-decoration:none;}
    a:hover {text-decoration:underline overline;}