.pnormal
{
    color: black;
}

.pdown {    
    color: red;
    background-color:lightgray;    
    -webkit-animation: changecolour 8s;  /* Safari 4.0 - 8.0 */
    -webkit-animation-fill-mode: forwards; /* Safari 4.0 - 8.0 */
    animation: changecolour 8s;
    animation-fill-mode: forwards;
}

.pincrease {    
    color: green;
    background-color:lightgray;    
    -webkit-animation: changecolour 8s;  /* Safari 4.0 - 8.0 */
    -webkit-animation-fill-mode: forwards; /* Safari 4.0 - 8.0 */
    animation: changecolour 8s;
    animation-fill-mode: forwards;
}

/* Safari 4.0 - 8.0 */
@-webkit-keyframes changecolour {
    from {top: 0px;}
    to {top: 0px; color:black;}
}

@keyframes changecolour {
    from {top: 0px;}
    to {top: 0px; color:black;}
}

.cdown {    
    color: red;        
}

.cincrease {    
    color: green;
}