Tutorial: Preparación de datos a partir de mapas impresos
11. Estilizado de las capas de picos de las montañas, ríos y lagos
11.3. Estiliza la capa de ríos
Next you will style the rivers.
1. Set the target layer in the Layer Styling Panel to Rivers and switch from the Labeling tab back to the Styling tab.
2. Select Simple line. Click the Color bar to open the Select line color panel.
3. Change the Color to an RGB value of 31|120|180.
4. Click the Go back 
button to return to the main symbology panel.
5. Increase the Stroke width to 0.86.
6. To label the rivers switch to the Labels tab 
.
7. Repeat the initial steps of labeling Peaks to label Rivers with just the Name field.
8. Switch to the Label placement 
tab and choose a Placement style of Curved.
To make them more readable against the topo map you will apply a buffer.
9. Switch to the Label buffer tab 
and check Draw text buffer option.
You will set the color to the green background of the topo map.
11. Click the drop down arrow for the Color setting and choose Pick color. With the eye dropper cursor click on a place to select that green topo map background color.
12. Finally return to the Text 
and set the label Color to an RGB value of 31|38|180, the Font to Calibri, the Size to 11 and the Style to italic.
Your rivers should look like:
