<svg width="30" height="30" xmlns="http://www.w3.org/2000/svg">
  <circle cx="15" cy="15" r="15" fill="#e74c3c"/>
  <g stroke="white" stroke-width="3">
    <line x1="9" y1="9" x2="21" y2="21"/>
    <line x1="21" y1="9" x2="9" y2="21"/>
  </g>
</svg>