#myCanvas{
    margin-left:30%;
    
}
 #nadia{
    border-top-width: 100px;
    border-left-width: 100px;
    border-style: solid;
    /*border-color:transparent transparent transparent #cecece;*/
  }
  #nadia input{
      display:none;
  }
 #triangle{
     color:red;
     border:3px solid yellow;
 }