h1, h2 {margin: 5px 0px 10px; color: #4E4E4E; font-family: sans-serif; font-size: 1.3em; 
  font-weight: normal;}
h3 {margin: 5px 0px 10px; color: #4E4E4E; font-family: sans-serif; font-size: 1.3em; 
  background-color:#F3F3F3; font-weight: normal; }


.chronoimage
{
background-image:url("cronometro.png");
background-origin:border-box;
background-repeat:no-repeat;
min-height:200px;
max-height:400px;
background-size:contain;
margin-left: auto;
margin-right: auto;
background-position:center 12px; 
width:90%;
display: table;
}

.chronotext
{display: table-cell;
text-align:center;
vertical-align: middle;
line-height: 200px;
} 
.wrapper{
  width: 800px;
  height: 600px;
  position: relative;
  margin: 0 auto 0 auto;
}

.codelist{
  margin: 20px;
  padding: 4px;
  font-family: sans-serif;
  background-color:#cce;
  border-radius: 0px 20px 20px 0px;
  box-shadow: 5px 3px 10px #000;
  color:red;
  text-align: left;
  font-size: 16px;
  margin:2%;
}
span{font-family: sans-serif; font-size: 1.8em; font-weight: normal; }