img,
.tab a{
	user-drag: none; 
	-moz-user-select: none;  
	-webkit-user-drag: none;
}

.act_content{
	font-family: Arial, Helvetica, sans-serif !important;
}

.act_content .act_subtitle{
	font-family: Tahoma, Geneva, sans-serif;
}
.icon_button:before{
	content: url('../img/SB_L_G10_U02_L0a_icono-boton.png');
}
.icon_button_next:before{
	content: url('../img/SB_L_G10_U02_L0a_icono-boton-desplazamiento.png');
}
.icon_button_sequence:before{
	content: url('../img/SB_L_G10_U02_L0a_icono-boton-secuencia.png');
}
.icon_letter:before{
	content: url('../img/SB_L_G10_U02_L0a_icono-letra.png');
}