.painel {
    position: fixed;

    right: -400px;
    top: 0;

    width: 350px;
    height: 100vh;

    background: #0f0f14f2;

    padding: 30px;

    transition: 0.5s;

    border-left: 1px solid #ffffff1a;
}

.painel:target {
    right: 0;
}



.fechar {
    position: absolute;

    top: 20px;
    right: 20px;

    color: #ffffff;

    text-decoration: none;

    font-size: 32px;
}