.img-brilho > img {
    -webkit-filter: brightness(4);
}
.img-preto > img {
    -webkit-filter: brightness(0);
}
.versao-beta {
    font-size: 10px;
    position: absolute;
    left:215px;
    top: 8px;
    background-color: #000;
    padding: 0px 4px 0px 4px;
    color: #fff;
}




.bootfacebook a
{
    margin-top: 10px;
    border-radius: 2px;

    height: 40px;
	border: 0px none;
    position: relative;
	color: #fff;
	    font-size: 15px;
    font-weight: bold;
	    width: 100%;
    background-color: #4267b2;
}
.bootfacebook  a:hover, a:active
{
	color: #fff;
	
    background-color: #365899;
}
.facelogo {
	position: absolute;
	left: 10px;
	top: 6px;
}