body {
	background:#172238;
	font-family: 'Segoe UI', sans-serif;
}

.div_login {
  width: 80%;             
  max-width: 500px;       
  margin: 40px auto 0;    
  padding: 20px;
  border: 3px solid #f5a425;
  background-color: #fff;
  <a href="#"  onclick="gestion_datos_idiomas();" class="nav-item nav-link active">Contenidos idiomas</a>
  box-sizing: border-box; 
}

.div_login_varios {
  width: 80%;             /* ancho adaptable */
  max-width: 700px;       /* límite máximo */
  margin: 40px auto 0;    /* distancia al div superior + centrado */
  padding: 20px;
  border: 3px solid #f5a425;
  background-color: #fff;
  font-size: 1.1em;
  box-sizing: border-box; /* evita desbordes */
}

.campo_login{
	width: 64%;
	margin-left: 18%;
}

.campo_login input{
	width: 100%;
	height: 24px;
	padding: 1%;
	margin-top: 2%;
	font-size: 1.1em;
	border: none;
	border-bottom: 1px solid #9ca3af;
}

input:focus {
  outline: 1px solid #EBEBF0;
}

.campo_ver_varios{
	width: 64%;
	margin-left: 18%;
}

.margen_titulo{
	margin-top: 2%;
	color: #f5a425;
}

.margen_no_Recuardo{
	margin-top: 20px;
	color: #000;
	text-align: center;
	font-size: 0.8em;
	cursor: pointer;
}

.margin_boton{
	margin-top: 40px;
	text-align: center;
}

.boton-continua {
  background: #f5a425;
  color: white;
  border: none;
  padding: 5px 10px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
}

.checkbox-label {
	width: 100%;
	display: inline-flex;
	align-items: center;
	gap: 8px; /* espacio entre checkbox y texto */
	font-size: 1em;
}

.checkbox-label input{
	width: 20px;
	height: 20px;
	font-size: 1em;
	border:1px solid #000;
	align-items: center;
}