*{
  margin:0;
  padding:0;
}
.alumno{
  font-family:sans-serif;
  background-color:lightblue;
  width:200px;
  margin:auto;
  padding:20px;
  border-radius:4px;
}
.alumno input{
  margin:auto;
  margin-bottom:20px;
  display:block;

}
.alumno p{
  margin:10px;
}