custom CSS phantom

[Anonymous]

Hello,

I’d like to change the CSS of the description of picture. I want it centered and with a bigger font.
If in wp-content/plugins/grand-media/module/phantom/css/style.css
I change mfp-description in the following way, it works (text-align:center; and font-size : 20px;)
However, as soon as an update come, I loose the modification so I’d like to add it to the custom CSS in the advanced settings of Phanton, but then it is not taken in account…
.mfp-description {
text-align:center;
font-size : 20px;
line-height:130%;
color:#f3f3f3;
word-wrap:break-word;
padding:0;
margin:10px 0;
opacity:1;
filter: alpha(opacity=100);
min-width:250px;
transition:opacity 0.6s, height 0.6s;
-webkit-transition:opacity 0.3s, height 0.6s;
}

What can I do for the custon CSS to be taken in account?

Thank you,

Thatoo

[Author]

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