pvals.css

body{
   font:16px/20px verdana, arial, helvetica, sans-serif;
	color:#333;
	background-color:white;
	margin: 20px;
	padding:0px;
	line-height: 20px;
}

div#wrapper {
margin-left:auto;
margin-right:auto;
max-width:1000px;
}

h1 {
    font-size:28px;
    font-weight:bold;
	margin-left: 0px;
	margin-top: 8px;
	line-height: 30px;
}
	
h2 {
	font-size: 24px;
	margin-left: 0px;
	margin-top:5px;
	line-height: 24px;
}
	
h3 {
	font-size: 20px;
	margin-left: 0px;
	margin-top:10px;
}
	
h4 {
	font-size: 18px;
	margin-left: 0px;
	margin-top:10px;
}
	
p {
	font:16px/20px verdana, arial, helvetica, sans-serif;
	margin:0px 0px 16px 0px;
}

a {
	color:#CCC;
	font-family:verdana, arial, helvetica, sans-serif;
	font-weight:800;
	text-decoration:none;
}

a:link {color:#45A;}
a:visited {color:#0AD;}

ul.menu {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color:  #d0d3d4;
}

ul.menu li {
    float: left;
    border-right:1px solid  #17202a;
    margin: 0;
}

ul.menu a {
    display: block;
    color: #45A;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

ul.menu a:hover {background-color: #d1f2eb;}

.active {
    background-color: #4CAF50;
    text-align: center;
    padding: 14px 16px;
    color:white;
}

.greek {
    font-family: serif;
    font-size: 130%;
}

code {
    font-size:16px;
    font-weight:bold;
	color:#080;
	margin:2px;
	padding:0px;
}

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance:textfield;
}