.question, .answer {
    font-size: 150%;
    text-align: center;
    float: left;
    width: 21%;
    height: 4em;
    border: 3px solid #336600;
    margin: 2px;
    display: table;
    border-top-color: white;
    border-left-color: white;
	/* Added the next two 
    position: relative;
    overflow: hidden;*/
}

.content {
    display: table-cell;
    vertical-align: middle;
}

.content p {
	margin: 0;
}

.question {
    background-color: gray;
}
.answer {
    cursor: pointer;
    background-color: #99CC00;
}
.current {
    background-color: white;
}

.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;
    
}