Grid

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 16 16"
>
    <linearGradient
        id="a"
        x1="1.233"
        x2="14.768"
        y1="1.233"
        y2="14.768"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#87f1fc" />
        <stop offset=".256" stop-color="#7fd4fb" />
        <stop offset=".529" stop-color="#78bcfb" />
        <stop offset=".784" stop-color="#74aefa" />
        <stop offset="1" stop-color="#73a9fa" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M3 15.5h10a2.5 2.5 0 0 0 2.5-2.5V3A2.5 2.5 0 0 0 13 .5H3A2.5 2.5 0 0 0 .5 3v10A2.5 2.5 0 0 0 3 15.5zm-1.5-5h2v-9h1v9h3v-9h1v9h3v-9h1v9h2v1h-2v3h-1v-3h-3v3h-1v-3h-3v3h-1v-3h-2z"
    />
</svg>