.actividad{background-color:#f2f2f2}.tarjeta-bg{background-repeat:no repeat;background-size:cover;background-position:50%}.contenedor-audios-iconos{position:relative}.contenedor-audios-iconos .icono1{position:absolute;width:312px;top:-20px;left:20px}.contenedor-audios-iconos .icono2{position:absolute;bottom:-20px;right:20px}.tabla-2 td,.tabla-2 th{border:2px solid #3c3fa7;border-radius:10px!important}.tarjeta-scroll{overflow-y:scroll;height:976px}