.window {
    width: 100%;
    height: 100%;

    border-image: url(../images/window/window.png);
    border-image-slice: 48 17 15 15 fill;
    border-image-width: 48px 17px 15px 15px;
}

.window > .content {
    position: absolute;
    padding: 1rem;
    top: 46px;
    bottom: 15px;
    left: 13px;
    right: 15px;
}

.window > .title {
    position: absolute;
    background-color: #cecece;
    transform: translate(-50%, 0);

    padding: 0 16px;
    top: 10px;
    left: 50%;
    height: 32px;

    font-size: 16px;
    
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
}