#actions {
  margin: 0 auto;
  margin-top: 2ex;
  padding: 0;
  list-style-type: none;
  width: 15em;
  /*float: left;*/
}

#expr {
    float: left;
    background-color: white;
    padding: 5px;
    border: 2px solid black;
}

#actions li {
    margin-top: 5px;
    padding: 5px;
    border: 2px solid #336600;
    /*border-bottom: 2px solid #336600;*/
    cursor: move;
    text-align: center;
    color: #336600;
    /*background-color: #669900;*/
    border-top-color: white;
    border-left-color: white;
}

.hide {
    visibility: hidden;
}

#score {
    float: right;
    font-size: 200%;
    background-color:#99cc00;
    border-bottom: 2px solid #336600;
    border-top: 2px solid #336600;
    color: #336600;    
    padding: 5px;
}

#points {
    text-align: center;
}
#outof {
    text-align: center;
    border-top: 2px solid black;
}

.button {
    cursor: pointer;
    padding: 5px;
    margin: 5px 5px;
    color:  white;
    background-color: #669900;
    border: 2px solid #336600;
    border-top-color: white;
    border-left-color: white; 
}