.part2 {
    width:300px;
    margin:auto;
    background:#665e53;
    color:#efece6;
    padding:30px;
    -webkit-transition:background-color 2s linear, width 1s linear , height 1s linear ;
    -moz-transition:background-color 2s linear, width 1s linear , height 1s linear ;
	-ms-transition:background-color 2s linear, width 1s linear , height 1s linear ;
    transition:background-color 2s linear, width 1s linear , height 1s linear ;
}
.part2:hover {
    background-color:#efece6;
    color:#665e53;
    width:500px;
    height:200px;
}