/* vim: set et sw=4 sts=4: */

digraph {
    graph [rankdir=RL];
    node [shape=rect, style=filled, color="#2980b9", fontname=Arial, fontcolor="#ffffff", fontsize=10];
    edge [arrowhead=normal, style=solid];

    input [label="Input device"]
    output [label="Output device"]

    input -> output;
}
