$loader-color:                #0052ec;
$loader-size:                 56px;
$loader-height:               20px;
$loader-border-size:          8px;
$loader-gap:                  12px;
$loader-animation-duration:   1s;

$loader-color:              #0052ec !default;
$loader-size:                  56px !default;
$loader-height:                20px !default;
$loader-border-size:            8px !default;
$loader-gap:                   12px !default;
$loader-animation-duration:      1s !default;

Add the `!default` flag to variables so that they can be overriden
Add the `!default` flag to variables so that they can be overriden
