This tutorial explains how you can quickly create a logo for an online store with Adobe Illustrator.
Open a new file (File>New) that would have 450×450 px and 72 dpi.
Select after that the Rounded Rectangle Tool to represent the primary layer of the logotype to represent next.

The layer’s parameters:
Blending Options>Drop Shadow

Blending Options>Gradient Overlay

Gradient’s parameters:

Choose then the Rectangle Tool (U) just for separating the zone of logotype’s layer’s marking zone that would have this color: #FCFCFC

The layer’s parameters:
Blending Options>Drop Shadow

Press now the Alt button and make a mouse’s click in the same time between the previous layer and the recently made one and the layer situated on the top will be applied in the limits of the first one.

Create a new layer and apply the Erase Tool to erase the unnecessary elements, like it is demonstrated in the picture. Apply the same method described earlier to click between the layers.

Select now the Ellipse Tool to create the next layer designed also for the logotype.

The layer’s parameters:
Blending Options>Gradient Overlay

Gradient’s parameters:

Blending Options>Stroke

Gradient’s parameters:

Make a copy of the recently made layer and apply the next parameters shown below.
Fill 0% on the layers.
Blending Options>Gradient Overlay

Gradient’s parameters:

Using the same instrument, create one more layer situated inside.

The layer’s parameters:
Blending Options>Gradient Overlay

Gradient’s parameters:

Blending Options>Stroke

Gradient’s parameters:

Insert a letter inside the already made circle.

The layer’s parameters:
Blending Options>Gradient Overlay

Gradient’s parameters:

The last stage includes writing the text inserted in the logotype, keeping the demands represented in the next tables.

(E-Shop)

The layer’s parameters (E-Shop)
Blending Options>Gradient Overlay

Gradient’s parameters: