.code-preview {
    height: 300px;
    position: relative;
}
.demo_box {
    border: 1px solid #3DA5DC;
    background: #a4dcf9;
    height: 100px;
    width: 200px;
    text-align: center;
    color: #fff;
}
.translate_1{
    -webkit-transition:1s ease all;
    -moz-transition:1s ease all;
    position:absolute;
    left:250px;
    top:10px;
    background:#4d6ea6;
}
.translate_1:hover{
    -webkit-transform:translate(100px);
    -moz-transform:translate(100px);
}
.translate_2{
    -webkit-transition:1s ease all;
    -moz-transition:1s ease all;
    position:absolute;
    left:250px;
    top:150px;
    background:#b9f9cb;
    color:#000;
}
.translate_2:hover{
    -webkit-transform:translate(-100px);
    -moz-transform:translate(-100px);
}