.window{    display:block;    position:fixed;      width:500px;    height:500px;    left:0;    top:0;    z-index:9900;    padding:10px;} #mascara{    display:block;    position:absolute;    left:0;    top:0;    z-index:9000;    background-color:#000;} .fechar{color: white; display:block; margin-left: 469px; margin-top: 12px; position: absolute; font-size: 20px;}.link-modal{width: 100%;  height: 100%}