Link

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 32 32"
>
    <linearGradient
        id="a"
        x1="16"
        x2="16"
        y1="-.375"
        y2="32.5"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#b621fe" />
        <stop offset="1" stop-color="#1fd1f9" />
    </linearGradient>
    <linearGradient id="b" x1="19.39" x2="19.39" y2="32.5" href="#a" />
    <linearGradient id="c" x1="12.611" x2="12.611" y2="32.5" href="#a" />
    <g fill-rule="evenodd">
        <path
            fill="url(#a)"
            d="M27.76 1.6H4.24A2.641 2.641 0 0 0 1.6 4.24v23.52a2.641 2.641 0 0 0 2.64 2.64h23.52a2.641 2.641 0 0 0 2.64-2.64V4.24a2.641 2.641 0 0 0-2.64-2.64zm1.84 26.16a1.841 1.841 0 0 1-1.84 1.84H4.24a1.841 1.841 0 0 1-1.84-1.84V4.24A1.841 1.841 0 0 1 4.24 2.4h23.52a1.841 1.841 0 0 1 1.84 1.84z"
        />
        <path
            fill="url(#b)"
            d="M19.106 8.164 15 12.269a3.3 3.3 0 0 0 0 4.671.4.4 0 1 0 .565-.566 2.5 2.5 0 0 1 0-3.54l4.106-4.106a2.5 2.5 0 1 1 3.54 3.54l-4.106 4.106a.4.4 0 0 0 .566.566l4.106-4.106a3.3 3.3 0 0 0-4.672-4.671z"
        />
        <path
            fill="url(#c)"
            d="M16.434 14.942a.4.4 0 0 0 0 .566 2.5 2.5 0 0 1 0 3.54l-4.106 4.106a2.5 2.5 0 1 1-3.54-3.54l4.106-4.106a.4.4 0 0 0-.566-.566l-4.106 4.105a3.3 3.3 0 0 0 4.672 4.671L17 19.613a3.3 3.3 0 0 0 0-4.671.4.4 0 0 0-.566 0z"
        />
    </g>
</svg>