.center-H-inline{
    text-align: center;
}
.outerbox-decoration{
    margin: 0 auto;
    width: 600px;
    height: 300px;
    background: skyblue;
}
.center-H-block{
    margin: 0 auto;
}
.innerbox-decoration{
    width: 400px;
    height: 200px;
    background: lightgreen;
}
.center-V-inline{
    display: table-cell;
    vertical-align: middle;
}
.button{
    vertical-align: middle;
    margin: 10px 20px;
}
.center-wrapper{
    position: relative;
}
.center-wrapper-window{
    position: absolute;
    display: table;
    width: 100%;
    height: 100%;
}
.center-V-block{
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
}
.center-HV-inline{
    text-align: center;
    display: table-cell;
    vertical-align: middle;
}
.center-HV-block{
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
}
.inlinebox{
    display:inline;
}
.titlebox{
    font: bold 10em sans-serif;
}