body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: transform 0.1s ease;
}

body{
    background: url('../file/image/index-bg.webp') no-repeat center center/cover;
}

html{
    background: url('../file/image/index-loading.webp') no-repeat center center/cover;
}

.overlay-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100%;
    width: 100%;
/*    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.3);*/
}

.hidden {
    display: none;
}

.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}