envelope constant

String const envelope

Implementation

static const String envelope =
    '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="20" height="20" preserveAspectRatio="xMidYMid meet" viewBox="0 0 20 20"><path fill="currentColor" d="M18 2a2 2 0 012 2v12a2 2 0 01-2 2H2a2 2 0 01-2-2V4c0-1.1.9-2 2-2h16zm-4.37 9.1L20 16v-2l-5.12-3.9L20 6V4l-10 8L0 4v2l5.12 4.1L0 14v2l6.37-4.9L10 14l3.63-2.9z"/></svg>';