Valkriea

- var categories = ['alkali-metals','alkaline-earth-metals','lanthanoids','actinoids','transition-metals','post-transition-metals','metalloids','other-nonmetals','noble-gasses','unknown']

// ELEMENT MIXIN TEMPLATE
mixin element(number, symbol, name, mass, weight, material, column, row)
  .element(class=material)(class='c'+column)(class='r'+row)
    input.activate(type='radio', name='elements')
    input.deactivate(type='radio', name='elements')
    .overlay
    .square
      .model