:root{--ancho-camara: 400px;--ancho-selector: 400px;--alto-camara:calc(var(--ancho-camara) * .5607476635514019)}.camara{width:var(--ancho-camara)}.objetivo{height:var(--alto-camara)}.galeria{width:calc(var(--ancho-camara) - 2);height:var(--alto-camara)}.pie_camara{height:60px}.selector{width:var(--ancho-selector)}.selector_foto{height:var(--alto-camara)}.boton_selector{width:150px;height:150px;border:1px solid black;background-size:200%;background-repeat:no-repeat;background-position:50% 50%}