.wrapper
{
position: absolute;
top: 251px;
left: 0px;
margin: 1em auto 10px auto;
text-align: center;
/*min-width: 640px;*/
/*width: 100%;*/
width: 1200px;
height: 480px; /* initial height, will be dynamically adjusted at runtime */
max-width: 95%;
display: block;
align-items: center;
text-align: center;
justify-content: center;
}

.emscripten
{
padding-right: 0;
margin-left: auto;
margin-right: auto;
display: block;
display: -webkit-box;
display: -moz-box;
display: box;

-webkit-box-align: center;
-moz-box-align: center;
box-align: center;

-webkit-box-pack: center;
-moz-box-pack: center;
box-pack: center;
}

#canvas:not([fullscreen]) {
padding-right: 0;
margin-left: auto;
margin-right: auto;
width: 100%;
}

.texthalf {
height: 37%;
border: 0px;
padding: 0px;
overflow-y: scroll;
font-size: 2em;
}

.buttonarea
{
position: absolute;
top: 35px;
left: 883px;
min-height: 3%;
border-top: 0px;
border-bottom: 0px;
margin-right: 0px;
margin-top: 0px;
margin-bottom: 0px;
}

.btn 
{
position: relative;
top: 0px;
left: 0px;
height: 30px;
background-color: #77B9FF;
padding: 0px;
text-align: center;
min-width: 150px;
}

.progress 
{ 
background: rgba(245, 245, 245, 1); 
border: 0px solid rgba(245, 245, 245, 1); 
border-radius: 0px; 
height: 4px; 
}

.progress-bar-custom 
{
background: rgba(153, 153, 153, 1); 
}

.centered-axis-xy 
{
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
}