Add Button

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    width="512"
    height="512"
    viewBox="0 0 32 32"
>
    <linearGradient
        id="a"
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        <stop offset="0" stop-color="#fff33b" />
        <stop offset=".01" stop-color="#fff33b" />
        <stop offset=".01" stop-color="#fee72e" />
        <stop offset=".04" stop-color="#fed51b" />
        <stop offset=".07" stop-color="#fdca10" />
        <stop offset=".1" stop-color="#fdc70c" />
        <stop offset=".4" stop-color="#f3903f" />
        <stop offset=".8" stop-color="#ed683c" />
        <stop offset="1" stop-color="#e93e3a" />
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