html {
    width: 100%;
    height: 100%;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
}

.contents-full-screen {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.footer {
    height: 8%;
}

.message-fill-remaining {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 92%;
}

.message-full-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.overwrap-fill-remaining {
    width: 100%;
    height: 92%;
    position: relative;
}

.video-full-screen {
    width: 100%;
    height: 92%;
    position: fixed;
    z-index: -100;
}

.img-full-screen {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
}