.graphw {
    display: none;
    width:100vw;
    height:100vh;
    position: fixed;
    z-index: 1;
    left: 0px;
    top: 0px;
    background: transparent;
    transition: background 1s;
}

.cor {
    position: fixed;
    right: 10px;
    top: 10px;
}