Plussign icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1024 1024" width="24" height="24"><path fill="currentColor" d="M512 1024q-139 0-257-68.5T68.5 769T0 512t68.5-257T255 68.5T512 0t257 68.5T955.5 255t68.5 257t-68.5 257T769 955.5T512 1024zm256-544q0-13-9.5-22.5T736 448H576V288q0-13-9.5-22.5T544 256h-64q-13 0-22.5 9.5T448 288v160H288q-13 0-22.5 9.5T256 480v64q0 13 9.5 22.5T288 576h160v160q0 13 9.5 22.5T480 768h64q13 0 22.5-9.5T576 736V576h160q13 0 22.5-9.5T768 544v-64z"/></svg>