body{
margin:0;
padding:0;
}

h1, h2, h3, h4, h5{
font-family:arial;
padding:10px 0;
margin:0;
}

h1{
text-align:center;
border-bottom:1px solid silver;
}

.body-ctr{
background-color:#ccc;
padding:50px 0;
box-sizing:border-box;
}

.ctr{
max-width:960px;
padding:40px;
box-sizing:border-box;
margin:0 auto;
background-color:#eee;
font:12px verdana, tahoma, sans-serif;
color:#333;
box-shadow:0 0 4px #000;
}

pre{
border:1px solid silver;
background-color:#ddd;
overflow-x: auto;
font-size:16px;
padding:5px;
}

.demo-list-33 > ul{
margin:0;
padding:10px 0;
width:33.3333%;
float:left;
box-sizing: border-box;
}

.demo-list-33 > ul > li{
list-style: none;
text-align:center;
padding:5px;
border: 1px solid silver;
margin-bottom: -1px;
margin-right: -1px;
}

#info-block:after, .demo-list-33:before, .demo-list-33:after{
content:' ';
clear:both;
display:block;
}

a{text-decoration:none;}
a:hover{text-decoration:underline;}

.tbl{
border-collapse:collapse;
}

.tbl tr > td{
border:1px solid silver;
padding:5px;
vertical-align:top;
}

.tbl tr > th{
border:1px solid silver;
padding:10px 0;
text-align:center;
font:bold 16px arial, sans-serif;
}

.tbl tr:nth-child(even){background-color:#ddd;}

.text-center{text-align:center;margin-top:30px;}

.block{
margin:0 0 80px 0;
clear:both;
}

.dz-button{background-color:#fff;border-color:#fff;}


button{
padding:5px 10px;
border:1px solid #000;
background-color:#333;
color:#fff;
cursor:pointer;
}

button:hover{
background-color:#555;
}

#info-block{
font-size:12px;
}

#info-block img{
float:left;
margin-right:10px;
border:0;
}

#info1{clear:both;}

.it{
font:italic 20px "times new roman", sans-serif;
color:#444;
}

#pics2 a{
background-color:#fff;
border:1px solid #666;
padding:5px;
height:138px;
margin-right:15px;
margin-bottom:15px;
display:block;
float:left;
}

#pics2 a:hover img{opacity:0.5;}

#pics2 a img{
height:inherit;
opacity:1;
transition:opacity 0.3s;
}

#pics2:after{
content:' ';
display:block;
clear:both;
}

.demo-download img{
height: 28px;
float: left;
margin-right: 10px;
margin-top: 2px;
}

.demo-download b{
line-height: 32px;
font-weight: normal;
font-size: 12px;
}

.demo-download{
clear: both;
border-bottom: 1px dashed gray;
margin:0;
padding:0;
}

.demo-download a{
float: right;
padding: 5px 10px;
background-color: darkcyan;
color: #fff;
text-decoration: none;
font-size: 12px;
font-weight: bold;
border-radius: 4px;
margin-top: 2px;
}

#docs1 p:first-child{border-top: 1px dashed gray;}
#docs1{max-width:800px;margin-bottom:20px;}

#pic1, #mult1, #func1{
display:block;
width:100%;
box-sizing:border-box;
padding:5px;
border:1px solid gray;
margin-bottom:10px;
}

#mult1, #func1{
min-height:100px;
resize:none;
}

.tabby-ctr{
margin-bottom:50px;
}

.tabby{
padding:15px;
background-color: #fff;
border-bottom:1px solid gray;
border-left:1px solid gray;
border-right:1px solid gray;
}

#func1span{
float:right;
color:red;
font:bold 14px arial, sans-serif;
}

p{margin-top:0;}