body, html {
    margin: 0;
    height: 100%;
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    max-width: 100%;
    overflow-x: hidden;
    overflow-y: hidden;
}

video {
    position: absolute;
    overflow: hidden;
    margin: 0 auto;
}

audio {
    position: absolute;
    overflow: hidden;
    visibility: hidden;
}

button {
    font-family: 'Times New Roman', Times, serif;
    border: none;
    color: white;
    background-color: transparent;
    text-align: center;
    text-decoration: none;
    display: flex;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
    justify-content: center;
}

input {
    display: flex;
    cursor: pointer;
    justify-content: center;
    z-index: 10;
}

#hider {
    margin: 0; 
    padding: 0;
    height: 100%;
    width: 100%;
    display: flex;
    position: fixed;
    background-color: black;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    overflow-y: hidden;
}