.box {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 12px;
    border: solid silver 1px;
    transition: all 0.2s ease;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
    background: white;
}

.box:hover {
    abackground: rgba(0,255,0,0.02);
    margin: 1px;
    background: orange;
}

.main-box {
    position: absolute;
    top: 0;
    left: 50%;
    width: 380px;
    height: 380px;
    margin-left: -190px;
}

h1 {
    text-align: center;
}

.box:hover > h1 {
    color: white;
}