-cell span="row"><input name="a" type="number" inputmode="decimal" placeholder="0" class="text-end fullwidth"></x-cell>

            <x-cell><button>AC</button></x-cell>
            <x-cell><button>+/-</button></x-cell>
            <x-cell><button>%</button></x-cell>
            <x-cell class="orange"><button>÷</button></x-cell>

            <x-cell><button>7</button></x-cell>
            <x-cell><button>8</button></x-cell>
            <x-cell><button>9</button></x-cell>
            <x-cell class="orange">