.modal{
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #272930;
    transition: all .4s;
}

.modal_conteudo{
    border-radius: 4px;
    position: relative;
    width: 500px;
    max-width: 90%;
    background: #fff;
    padding: 1em 2em;
}

.modal:target{
    visibility: visible;
    opacity: 1;
}

.modal_fechar{
    position: absolute;
    top: 10px;
    right: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 100px;
}