Change font size of all the elements

CSS Codes Twitter Feed
1

Add this code to the Custom CSS field on the Style tab of your Twitter Feed widget’s settings:

.eapps-twitter-feed-header-user-info-name{
    font-size: 20px;
}
.eapps-twitter-feed-header-user-info-screen-name{
    font-size: 15px;
}
.eapps-twitter-feed-header-statistics-item-name{
    font-size: 10px;
}
.eapps-twitter-feed-header-statistics-item-data{
    font-size: 17px;
}
.eapps-twitter-feed-posts-item-user-name{
    font-size: 17px;
}
.eapps-twitter-feed-posts-item-user-screen-name{
    font-size: 15px;
}
.eapps-twitter-feed-posts-item-user-date{
    font-size: 15px;
}
.eapps-twitter-feed-posts-item-text{
    font-size: 15px;
}
.eapps-twitter-feed-posts-item-actions-item{
    font-size: 12px;
}