.centrar {
    width: 100%;
    margin-top: 5%;
    display: flex;
    justify-content: center;
  }
  .fondo {
    border-radius: 10px;
    line-height: 1;
    display: inline-block;
    vertical-align: middle;
  
  }
  .mat-column-IDAlumno, .mat-column-nombre, .mat-column-usuarioRegistro,.mat-column-academico,.mat-column-administrativo, 
  .mat-column-ultActuaizacion, .mat-column-acciones{
    text-align: center !important;
}


.btnPDF{
  background-color: red; 
  color: white !important; 
  border-radius: 10px; 
  transform: scale(0.8);
}

@media only screen and (max-width: 600px) {
.centrar1{
  width: 300px;
  display: flex;
  justify-content: center;
  margin-left: -33px;
}
.content {
  margin-bottom: 0;
  margin-top: 0;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 10px;
  padding-right: 10px;
  font-weight: 500;
  font-size: 24px;
  color: white;
  font-family: "Serenity Medium";
}
.tabla1 {
  overflow-x: scroll;
  white-space: nowrap;
}
.table {
  width: 142%;
  margin-left: -42px;
}
.boton-export{
  margin-left: 0px;
  width: 74%;
}
.exportar{
  width: 100%;
  margin-bottom: 8%;
  display: flex;
  justify-content: space-evenly;
  transform: scale(0.9);
  margin-left: 18px;
}
.buscador{
  display: flex;
  flex-direction: column;
}
.contenedorInputs{
  width: 134% !important; 
  justify-content: center;
  margin-left: 10px;
}
.input{
  width: 81% !important;
}
}