you can select any official theme design from the website https://www.manager.io/themes/
read this guide on how to set a theme https://www.manager.io/guides/10366
to remove due date, follow the below post. if you do not have necessary coding skills to customize a theme yourself, please hire someone locally to do it for you.
for users who do not need the due date printed on the invoice when both the Invoice date and Due date are the same, proceed with the instructions below.
copy and paste any theme from the Manager website.
edit the theme and find the line where it says
{% for field in fields %}
<div style="font-weight: bold">{{ field.label }}</div>
<div style="margin-bottom: 10px">{{ field.text }}</div>
{% endfor %}
replace the above lines with the following code
{% for field in fields %}
{% if fie…