.centrar { 
  height: 200px;
  position: relative;
  border: 3px solid green; 
}

.centrar p {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

label {
    margin-bottom: .2rem;
}

.input-group-sm {
	margin-top: 8px;
	padding: 5px;
}

#listado .form-control {
	height: 30px;
	padding: 0 .75rem .20rem .75rem;
}

#listado .btn-secondary {
	height: 30px;
	padding: 0 10px 5px 10px;
	margin-top: 20px;
}

#loadData .btn-secondary {
	margin-top: 20px;
}

#editHomologacion .btn-buscar {
    height: 30px;
    padding: 0 10px 5px 10px;
    margin-top: 21px;
}