.slider_XL { font-size: 1em; }
.slider_L { font-size: 0.9em; }
.slider_M { font-size: 0.7em; }
.slider_S { font-size: 0.5em; }

@media screen and (max-width: 1440px){
.slider_L { font-size: 0.8em }
}

@media screen and (max-width: 1280px){
.slider_L { font-size: 1.1em; }
.slider_M { font-size: 1em; }
}

@media screen and (max-width: 768px){
.slider_M { font-size: 1.2em; }
}

@media screen and (max-width: 450px){
.slider_L { font-size: 1.2em; line-height: 1.3em; }
.slider_M { font-size: 1.2em; }
}

@media all and (min-width:551px) {
    .desktop-br {display: inline;}
    .mobile-br {display: none;}
}
@media all and (max-width:550px) {
    .desktop-br {display: none;}
    .mobile-br {display: inline;}
}