.full button {
    background-color: #ff0000;
    color: black;
}
.free button {
    background-color: #00ff90;
    color: black;
}
.notcur button {
    background-color: #808080;
    color: black;
}
.asterisk{
    color:#ff0000;
}
.invis{
    visibility:hidden;
}
.spin{  
    -webkit-animation-name: spin;
    -webkit-animation-duration: 1000ms;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    -moz-animation-name: spin;
    -moz-animation-duration: 1000ms;
    -moz-animation-iteration-count: infinite;
    -moz-animation-timing-function: linear;
    -ms-animation-name: spin;
    -ms-animation-duration: 1000ms;
    -ms-animation-iteration-count: infinite;
    -ms-animation-timing-function: linear;
    animation-name: spin;
    animation-duration: 1000ms;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}
@-moz-keyframes spin {
    from { -moz-transform: rotate(0deg); }
    to { -moz-transform: rotate(360deg); }
}
@-webkit-keyframes spin {
    from { -webkit-transform: rotate(0deg); }
    to { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
    from {transform:rotate(0deg);}
    to {transform:rotate(360deg);}
}