.cell {
  width: 100%;
  padding: 0px;
  border-style:none;
  border-width:0px;
  border-color:#FF00FF;
  background-color: #FFFFFF;
  float:left;
}

.image {
  //background-color:red;
  width:49%;
  padding: 0px;
  left: 0%;
  float: left;  
  border-style:solid;
  border-width:1px;
  border-color:#000000;

}

.image1 {
  background-color: #FFFFFF;
  width: 65%;
  padding: 0px;
  left: 0%;
  float: left;  
}
.image2 {
  background-color: #FFFFFF;
  width:45%;
  //height:100%;
  padding: 0px;
  left: 0%;
  float: left;  
}

.image3 {
  background-color: #FFFFFF;
  width:60%;
  
  padding: 0px;
  left: 0%;
  float: left;  
}
.image4 {
  background-color: #FFFFFF;
  width:80%;
  //height:100%;
  padding: 0px;
  left: 0%;
  float: left;  
}

.pict {
  background-color: #FFFFFF;
  width:100%;  
  height:100%;  
  float: left;  
  //border-style:solid;
  //border-width:1px;
  //border-color:#000000;
}
.pict1 {
  background-color: #FFFFFF;
  width:33%;
  float:left;
}

div.clear {
  clear: both;

}
.caption {
  //background-color: #FF0000;
  width: 47%;
  padding: 0px;
  float: left;  
  padding-top:25px;
  padding-left:0px;
  //border-style:solid;
  border-width:1px;
  border-color:#000000;
}

.video {
  width: 80%;
  margin-left: 8%;
  border: 1px solid black;
  padding: 5px;  
}
.video_half {
  width: 50%;
  margin-left: 8%;
  border: 1px solid black;
  padding: 5px;  
}

.red {
  color: red;
}

.blue {
  color: blue;
}

.purple {
  color: #F0F;
  text-align: center;
}

.symsim {
  color: #00F;
  font-size: 110%;
  font-style: italic;
  /*border: 1px solid black;*/
}


.img-half-width {
  width: 45%;
  border-width:0px;
  border-color:#FF0000;
}
.img-full-width {
  width: 90%;
  
  border-width:0px;
  border-color:#FF0000;
}
.img-70 {
  width: 70%;
  
  border-width:0px;
  border-color:#FF0000;
}
.img-60 {
  width: 60%;  
}
.img-50 {
  width: 50%;  
  margin-left: 20%;
  
}

.qr-code {
    width:30%;
    text-align: right;
    border: 1px solid black;
}

.equation {
  font-size: 1.2em;
}

h1 {
}

h2 {
 /* background: green;*/
  text-align: center;
  color: #000000;  
}

h3 {
 /* background: green;*/
  text-align: center;
  color: #000000;  
}


div.slide h1 {
  /*border: 1px solid black;*/
  width: 99%;
  padding-left: 0.5em;
  padding-right: 0em;
  padding-top: 0.5em;
  margin-bottom: 0.0em;
  margin-top: 0.05em;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  /*min-height: 2.em;*/
  color: black;
  background: #EEF; 
  height: 1.5em;*/
  font-size: 160%;
  
}