#exercise{  
  max-width: 800px;
  touch-action: manipulation;
}

/*#exercise{   
  padding-top:20px;  
  clear:both;
  overflow: hidden;  
  max-width: 800px; 
  margin: 0px auto;       
  min-height:600px;
  text-align: center;
  background-color: transparent;
  border:0px;
}
*/
#exercise h1,h2,h3{    
  margin:5px 0px;
}

#exercise #plan{
  display: inline-block;  
  padding: 20px;
  background-color: white;
  margin-top:10px;
  margin-bottom:15px;
  border-radius: 6px;
}

#exercise .bucket{
  background-color: red;
  display: inline-block;
  margin-right:10px;  
  margin-bottom:25px;  
  width:60px;  
  height:60px;      
  border:3px solid #ecf0f1;
  border-radius: 6px;
  cursor: pointer;
}

#exercise .bucket.selectedBucket{
  border:3px solid #e58031;
}


#exercise table.grid{
  margin:0px;
  background-color: white;
  display: inline-block;  
  border-spacing: 0px;
  border-collapse: separate; 
  border:3px solid #b2bec3;
}

#exercise table.grid td{
  color:white;
  padding:0px;
  margin:0px;
  width:70px;  
  height:70px;  
  text-align: center;  
}

@media screen and (max-width: 550px) {

  #exercise .bucket{
    width:50px;  
    height:50px; 
    margin-right: 5px;   
  }

  #exercise table.grid td{  
    width:50px;  
    height:50px;  
  }    
  #exercise #plan{
    padding: 5px;
    margin:10px;
  }
}

#exercise table.grid td.cell{  
  border: 0px solid #dfe6e9;  
}

#exercise table.grid td.cell.changable:hover{
 background-color: white;
 cursor: pointer;
}

#exercise table.grid td.fixed{
  background-color: #ecf0f1;
}

#exercise table.grid td.borderTop{
  border-top:3px solid #b2bec3;
}
#exercise table.grid td.borderLeft{
  border-left:3px solid #b2bec3;
}


#exercise .tlacitko-control{
  display: inline-block;
  margin: 5px;  
  margin-top: 20px;
  font-size: 18px;    
  width: 150px;      
  text-align:center;  
  border-radius:2px;  
  line-height: 50px;  
  cursor: pointer;

  background-color: #e0e0e2;
  color: var(--darkGray);
}

#exercise .tlacitko-control:hover{ 
  color:white; 
  background-color:#2ecc71; 
}

#exercise .tlacitko-control.disabled{ 
  color:white;
  background-color:#e6e8ea;  
}

#exercise #rules{  
  display: inline-block;
  background-color: white;  
  padding:15px;
  margin-bottom: 15px;
  border-radius: 6px;
  box-shadow: 0px 0px 32px 0px rgba(0,0,0,0.1);
}

#exercise #explanation{
  font-size: 18px;
  font-weight: 400;
  background-color: white;
  border:1px solid #2980b9;
  border-radius: 3px;
  padding:10px;
  text-align: left;
  display: none;
}

#backOverview{
  text-decoration:none;
}