*{margin:0;padding:0;}
body {
  background: #fff; 
/*
    background-image: url('img/bg1.png')
  background-attachment: fixed; 
  background-size: cover;
*/
  font-family: 'Open Sans', sans-serif;    
  color: #000;   
  overflow-x: hidden;    
}
/*
@media screen and (prefers-color-scheme: dark) {
body {
  background: #000; 
  font-family: 'Open Sans', sans-serif;    
  color: #fff;   
  overflow-x: hidden;    
}
}
*/
header{
  position: absolute;
  z-index: 9999;
  width: 100%;    
/*  background: rgb(88, 88, 88); */
  unused: rgba(1,1,1,.5);    
}
/*
@media screen and (prefers-color-scheme: dark) {
header{
  position: absolute;
  z-index: 9999;
  width: 100%;    
  background: #000;
  unused: rgba(0,0,0,.5);    
}
}
*/
h1{   
    font-weight: 700; 
    margin: .8em 0 .2em 0;
} 
h2, h3{   
/*    font-family: 'Open Sans Condensed', sans-serif;*/
    font-weight: 500; 
/*    margin: .8em 0 .2em 0;*/
}    
h1{   
 margin: .2em .5em;
 display: inline-block;       
}
ul{
  margin-left:40px;
}

header p{
 display: inline-block; 
 font-size: .9em;    
}
.content{
    margin: 1em 2em;    
}
.content ul, .content ol{
    margin: .8em 1em .8em 2em;   
}
span.code{
    font-family: "Lucida Console", "Lucida Sans Typewriter", Monaco, "Bitstream Vera Sans Mono", monospace;   
    color: #999;
}
.gist{
    margin: 1em 1em 2em 2em;
}
ol .gist{
    margin: 1em 0 2em 0;
}
/*
a{ 
    color:#fff;
}
*/
.num2{
    width: 85%;
    margin: 2em auto;
}

img.p43{
	padding-top: 43px;
}

footer{
    color: #555;
    font-size: .8em;
    font-style: italic;
    text-align: center;
    background: #fff;
    padding: 1.5em 0 .5em 0;
    margin-top: 5em;
}
footer span{
    font-size: 1.3em;
    color: #fff;
}
/*
@media screen and (prefers-color-scheme: dark) {
footer{
    color: #aaa;
    font-size: .8em;
    font-style: italic;
    text-align: center;
    background: #000;
    padding: 1.5em 0 .5em 0;
    margin-top: 5em;
}
footer span{
    font-size: 1.3em;
    color: #000;
}
}
*/
@media screen and (max-width: 830px){
    h1{
     font-size: 1.3em;   
    }
    .desc{
        display: none;   
    }
}

@media screen and (max-width: 400px){
    h1{
     font-size: 1.1em;   
    }
    header span{
        display: none;   
    }
    .gist{
        width: 100%;
    }
}
.ss1{
    clear: both;
}
.ss{
    font-size: .77em;
     color: #565656;
     float: left;
     text-align: center;
     padding: 7px;  
}
/*
@media screen and (prefers-color-scheme: dark) {
.ss{
    font-size: .77em;
     color: #b6b6b6;
     float: left;
     text-align: center;
     padding: 7px;  
}
}
*/
.ss2{
    clear: both;
}
.sm{
    font-size: .7em; 
}

#myImg {
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}

#myImg:hover {opacity: 0.7;}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 10001; /* Sit on top */
  padding-top: 50px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(253,253,253); /* Fallback color */
  zbackground-color: rgba(255,255,255,200); /* Black w/ opacity */
}

/* Modal Content (image) */
.modal-content {
  margin: auto;
  display: block;
  height: 75%;
  max-width: 1312px;
}

/* Caption of Modal Image */
#caption {
  margin: auto;
  display: block;
  width: 90%;
  max-width: 1312px;
  text-align: center;
  color: #333;
  padding: 10px 0;
  height: 1312px;
}

/* Add Animation */
.modal-content, #caption {  
  -webkit-animation-name: zoom;
  -webkit-animation-duration: 0.6s;
  animation-name: zoom;
  animation-duration: 0.6s;
}

@-webkit-keyframes zoom {
  from {-webkit-transform:scale(0)} 
  to {-webkit-transform:scale(1)}
}

@keyframes zoom {
  from {transform:scale(0)} 
  to {transform:scale(1)}
}

/* The Close Button */
.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #1f1f1f;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}

/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 1100px){
  .modal-content {
    width: 100%;
  }
}

#snav2 { min-width: 450px; mmargin: 10px; font-size: .775em; }
#snav2 li { width: 128px; float: left; margin: 8px; list-style: none; text-align: center; font-size: .775em; }
#snav2 a { width: 128px; padding: 0px; display: block; border: 1px solid #ccc; }
#snav2 a.activeSlide { background: #88f; }
#snav2 a:focus { outline: none; }
#snav2 img { border: 5px; display: block; width: 100%; }

.snav2 {
}

.preview {
  position: absolute;
	z-index: -2;
	width: 50%;
	height: 300px;
	background-image: url('../img/bg1.png');
	background-repeat: no-repeat;
  background-position: right;
	opacity: 0.1
/*  background-size: cover;*/
/*	background-color: rgb(88,88,88);*/
}

.row {
  display: inline-flex;
	flex-wrap: wrap;
}
.singlerow {
padding-left: 10px;
	padding-right: 10px;
  display: inline-flex;
	flex-wrap: nowrap;
}
.row2 {
  display: flex;
	flex-wrap: wrap;
	 box-sizing: border-box;
}

.column30 {
    font-weight: 900; 
  width: 260px;
  min-width: 280px;
  max-width: 280px;
}
.column70 {
}
.column70flex {
  width: 70%;
  display: flex;
	flex-wrap: wrap;
	 box-sizing: border-box;
}
.cell100 {
  width: 200px;
	padding: 10px;
	 font-size: .775em;
	align-content: center;
	text-align: center;
}
.cell400 {
  width: 800px;
	padding: 10px;
	 font-size: .775em;
	align-content: center;
	text-align: center;
}