body, *
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

#conteneurBackgroundCube
{
    position: fixed;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    display: flex;

    background: linear-gradient(249deg, rgba(166,81,247,1) 0%, rgba(127,53,242,1) 25%, rgba(119,50,230,1) 25%, rgba(71,19,213,1) 50%, rgba(88,34,238,1) 50%, rgba(57,33,123,1) 75%, rgb(75, 51, 143) 75%, rgba(32,32,32,1) 100%);

/* 
    background: linear-gradient(135deg, rgba(0,251,255,0.25) 0%, rgba(255,255,255,0.25) 20%, rgba(111,174,213,1) 40%, rgba(81,176,193,1) 50%, rgba(0,239,255,1) 60%, rgba(255,255,255,1) 80%, rgba(36,178,255,1) 100%);
 */    
    overflow: hidden;
}