Transition css3

<div class="box">Box</div>




body {
color: #fff;
font: 600 14px/24px "Open Sans", "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", Sans-Serif;
}
.box {
background: #2db34a;
border-radius: 6px;
cursor: pointer;
height: 95px;
line-height: 95px;
text-align: center;
transition-property: background;
transition-duration: 1s;
transition-timing-function: linear;
width: 95px;
}
.box:hover {
background: #ff7b29;
}