1 2 3 4
<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48"> <path d="M20 36h10v-26h-10v26zm-12 0h10v-26h-10v26zm24-26v26h10v-26h-10z"/> <path d="M0 0h48v48h-48z" fill="none"/></svg>