how to adjust position add to cart button on mobile phone

14 0 2

hello, yesterday I asked question in the community about how to adjust position "add to cart" button on website

i got the answer like this :

add this code at the end of your CSS file (Themes -> Edit code -> Assets -> theme.css )

.grid__item {
position: relative;
min-height: 450px;

.grid__item form {
position: absolute;
bottom: 0px;
margin-bottom: 15px;

@media only screen and (max-width: 768px) {
.grid__item {
min-height: 350px;


on my computer website, i see the button is tidy 

but on my mobile phone ,my store change like this





There is a huge gap in the middle of the button

my shopify store theme is dubet

my shopify store url is :

please tell me what should i do to adjust the add to cart button on mobile phone 

thank you very much and have a nice day : )

Replies 2 (2)
14 0 2

sorry,now I let the problem show up, you can visit it on your mobile browser to have a look

my shopify store rul is:

Shopify Partner
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Dear @PeaceDoe 

We will be happy to help you.

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