/**/
.btn-upload-custom {
    position: relative;
    overflow: hidden;
    margin: 10px;
}
.btn-upload-custom input.upload {
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    padding: 0;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    filter: alpha(opacity=0);
}
.img-logo-footer {
  max-width: 100%;
  max-height: 100%;
}
/*.contenedor-logo-header {
  width: 40%;

}

.contenedor-logo-header img {
  width: 30%;
}*/