CSS
.box{
border:2px solid black;
width:150px;
height:150px;
}
.box{
float:left;
margin:16px;
}
.box:hover{
background-color:blue;
cursor:pointer;
}
.green{
background-color:green;
}
.yello{
background-color:yellow;
}
.black{
background-color:black;
}
.red{
background-color:red;
}
