core/src/img/close-white.svg
<svg id="Layer_1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>close-black</title><path d="M10.56,12,.32,22.21a1,1,0,0,0,1.41,1.41L12,13.39,22.21,23.62a1,1,0,0,0,1.41-1.41L13.39,12,23.62,1.74a1,1,0,0,0,0-1.42,1,1,0,0,0-1.41,0L12,10.56,1.74.32A1,1,0,0,0,.32,1.74Z" transform="translate(-0.03 -0.03)" fill="#ffffff" /></svg>