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CHANGED CSS CODE : 
input[type='radio']+label {
    display: none; /* Change this attribute only.*/
}
ADDED CSS CODE : 
span.select:hover label {
    display: block;
    border-width: 1px 1px 0;
}
span.select:hover label:last-child {
    border-bottom: 1px solid #666;
    -moz-border-radius: 0 0 15px 15px;
}