The ornamental designs for a container, as shown and described.
FIG. 1 is a front side elevation view of a container.
FIG. 2 is a left side elevation view of the container of FIG. 1.
FIG. 3 is a top plan view of the container of FIG. 1.
FIG. 4 is a top, front perspective view of the container of FIG. 1.
FIG. 5 is a left side elevation view of the container of FIG. 1 with an unclaimed lid showing the container in a closed position; and,
FIG. 6 is a left side elevation view of the container of FIG. 1 with a lid shown in broken lines installed over a top of the container.
The broken lines in the drawings showing the rim threading, bottom surface ridges and lid illustrate the portions of the container that form no part of the claimed design.