div.signupSlot{
    width: 80%; 
    margin-bottom: 1%;
    padding: 2%;
}

div.signupSlot.free{
    background-color: #CCEECC;
}

div.signupSlot.taken{
    background-color: #AAAAAA;    
}

span.signupTime{
    font-weight: bold;
    margin-right: 10%;
}

span.signupButton{
    text-align: center;
}