<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="currentColor"><path fill="currentColor" d="M28.1 2H3.9C2.8 2 2 2.9 2 3.9v24.2c0 1.1.9 1.9 1.9 1.9h24.2c1.1 0 1.9-.9 1.9-1.9V3.9c0-1.1-.9-1.9-1.9-1.9M28 28H4V8h24zm0-22H4V4h24zm-6 13l-1.4 1.4l-2.6-2.6V24c0 1.1-.9 2-2 2h-6v-2h6v-6.2l-2.6 2.6L12 19l5-5zM8 12v-2h16v2z"/></svg>