.btnSalirCurso {
    background-image: linear-gradient(to right, #b31200 0%, rgba(235, 72, 72, 0.945)51%, #b31200  100%);
    margin: 10px;
    padding: 15px 45px;
    text-align: center;
    text-transform: uppercase;
    background-size: 200% auto;
    color: white;            
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
}

.btnSalirCurso:hover {
    transition: 0.5s;
    background-position: right center; /* change the direction of the change here */
    color: #fff;
    text-decoration: none;
}
                
.btnAgregarTema {
    background-image: linear-gradient(to right, #34a8fc 0%, #12D8FA  51%, #37aafc  100%);
    margin: 10px;
    padding: 15px 45px;
    text-align: center;
    text-transform: uppercase;
    background-size: 200% auto;
    color: white;            
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
}

.btnAgregarTema:hover {
    transition: 0.5s;
    background-position: right center; /* change the direction of the change here */
    color: #fff;
    text-decoration: none;
}
       
         
.btnIrEnlace {
    background-image: linear-gradient(to right, #FF512F 0%, #DD2476  51%, #FF512F  100%);
    margin: 10px;
    padding: 15px 45px;
    text-align: center;
    text-transform: uppercase;
    background-size: 200% auto;
    color: white;            
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
  }

  .btnIrEnlace:hover {
    transition: 0.5s;
    background-position: right center; /* change the direction of the change here */
    color: #fff;
    text-decoration: none;
  }

  .btnOpcionesActividad {
    background-image: linear-gradient(to right, #000428 0%, #004e92  51%, #000428  100%);
    margin: 10px;
    padding: 15px 45px;
    text-align: center;
    text-transform: uppercase;
    background-size: 200% auto;
    color: white;            
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
  }

  .btnOpcionesActividad:hover {
    transition: 0.5s;
    background-position: right center; /* change the direction of the change here */
    color: #fff;
    text-decoration: none;
  }
 
           
  .btnOcultarTemas {
    background-image: linear-gradient(to right, #477ab1 0%, #b8cce4  51%, #477ab1  100%);
    margin: 10px;
    padding: 15px 45px;
    text-align: center;
    text-transform: uppercase;
    transition: 0.5s;
    background-size: 200% auto;
    color: white;            
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
  }

  .btnOcultarTemas:hover {
    transition: 0.5s;
    background-position: right center; /* change the direction of the change here */
    color: #fff;
    text-decoration: none;
  }