p
{
    transition-property: color, width, height;
	-moz-transition-property: color, width, height;
	-webkit-transition-property: color, width, height;
	-o-transition-property: color, width, height;  
    transition-duration: 3s;
	-moz-transition-duration: 3s;
	-webkit-transition-duration: 3s;
	-o-transition-duration: 3s;
    transition-delay: 1500ms;
	-moz-transition-delay: 1500ms;
	-webkit-transition-delay: 1500ms;
	-o-transition-delay: 1500ms;
    width: 400px;
    height: 200px;
    color: #fff;
    background-color: #a5a5a5;
    border: 2px solid #000;
	margin: auto;
	text-align: center;
}
p:hover
{
   width: 300px;
   height: 300px;
   color: #000;
}