.stm_icon{z-index:5;margin-bottom:15px;}
.stm_icon.stm_icon_styled_bg{position:relative;}
.stm_icon.stm_icon_styled_bg:before{content:"";position:absolute;left:50%;top:10px;margin:0 0 0 -14px;display:block;width:50px;height:50px;border-radius:50%;opacity:0.1;}
.stm_icon.stm_icon_gradient i{-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.stm_icon.stm_icon_round_bg{position:relative;min-height:80px;}
.stm_icon.stm_icon_round_bg i{position:relative;display:inline-block;vertical-align:top;min-width:80px;min-height:80px;}
.stm_icon.stm_icon_round_bg i:after{position:absolute;top:0;left:0;right:0;bottom:0;content:"";display:block;min-width:80px;min-height:80px;z-index:-1;}
.stm_icon.stm_icon_round_bg i:before {
position: absolute;
top: 50%;
left: 50%;
transform: translate3d(-50%, -50%, 0);
}