Change flag size

Changing the Weglot flag size with CSS
Because Weglot has grouped all flags within a file (CSS Sprite) for performance, it can be tricky to change the flag size on your website.
1st step: With your browser code inspector, find the CSS properties who give the global flags size. It's depends to your flags settings. In this example (setting: circle flags), the finding CSS properties is :
.weglot-flags.flag-3 a::before, 
.weglot-flags.flag-3 span::before {
    background-image: url("../images/circular_flag.png");
    width: 24px !important;
    height: 24px !important;
    -webkit-background-size: auto 24px !important;
    background-size: auto 24px !important;
}
Override width, height and background-size properties with the wanted size. 
2nd step: For each flag, find his background-position properties and override it. In this example, background-position properties is :
/* For English flag */
.weglot-flags.flag-3.en > a::before, 
.weglot-flags.flag-3.en > span::before {
    background-position: -2520px 0 !important;
}
​
/* For Portuguese flag */
.weglot-flags.flag-3.pt > a::before, 
.weglot-flags.flag-3.pt > span::before {
    background-position: -4344px 0 !important;
}
To override it, you must calculate the new property with a cross product include original size (24px), wanted size and default background-position.
New background-position = ( Wanted size / Default size ) * current background-position
Example 1: Smallest flags
Type of flags: Circle
Languages: English and Portuguese
Wanted size: 16px * 16px
/* Customize English flag */
.weglot-flags.flag-3.en > a::before,
.weglot-flags.flag-3.en > span::before {
    background-position: -1680px 0 !important;
}
​
/* Customize Portuguese flag */
.weglot-flags.flag-3.pt > a::before,
.weglot-flags.flag-3.pt > span::before {
    background-position: -2896px 0 !important;
}
​
.weglot-flags.flag-3 a::before,
.weglot-flags.flag-3 span::before {
    width: 16px !important;
    height: 16px !important;
    -webkit-background-size: auto 16px !important;
    background-size: auto 16px !important;
}
Calculation for English flag: (16/24)*-2520 = -1680
Calculation for Portuguese flag: (16/24)*-4344 = -2896
Example 2: Biggest flags
Type of flags: Circle
Languages: English and Portuguese
Wanted size: 48px * 48px
/* Customize English flag */
.weglot-flags.flag-3.en > a::before,
.weglot-flags.flag-3.en > span::before {
    background-position: -5040px 0 !important;
}
​
/* Customize Portuguese flag */
.weglot-flags.flag-3.pt > a::before,
.weglot-flags.flag-3.pt > span::before {
    background-position: -8688px 0 !important;
}
​
.weglot-flags.flag-3 a::before,
.weglot-flags.flag-3 span::before {
    width: 48px !important;
    height: 48px !important;
    -webkit-background-size: auto 48px !important;
    background-size: auto 48px !important;
}
Calculation for English flag: (48/24)*-2520 = -5040
Calculation for Portuguese flag: (48/24)*-4344 = -8688
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