@btnGap: 2px;

mor-btngroup{
    display: inline-block;
    font-size: 0;
    vertical-align: middle;
    position: relative;

    mor-btn{
        &:not(:first-child):not(:last-child){
            border-radius: 0;
        }
    }

    &.vertical{
        > mor-btn{
            display: block;
            float: none;
            margin-bottom: 1px;
        }

        :first-child{
            border-bottom-left-radius: 0;
            border-bottom-right-radius: 0;
        }

        :last-child{
            border-top-left-radius: 0;
            border-top-right-radius: 0;
            margin-bottom: 0;
        }
    }

    &:not(.vertical),
    &.horizontal{
        > mor-btn{
            margin-right: 1px;
        }

        :first-child{
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
        }

        :last-child{
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
            margin-right: 0;
        }
    }

    > span {
        display: inline-block;
        position: absolute;
        z-index: 3;
        background-color: #FFF;
        border-radius: 100%;
        text-align: center;
        // position: relative;
        // left: 50%;
        // top: 50%;
        color: @colorComponentItemFont;
        // transform: translateX(-50%) translateY(-50%);
    }

    mor-btn.si-xxl {
        + span {
            font-size: @fontSize*1.25;
            width: @fontSize*2;
            height: @fontSize*2;
            line-height: @fontSize*2;
            margin-left: @fontSize*-2/2;
            margin-top: @fontSize*0.68067;
        }
    }

    mor-btn.si-xl {
        + span {
            font-size: @fontSize*1.125;
            width: @fontSize*1.8;
            height: @fontSize*1.8;
            line-height: @fontSize*1.8;
            margin-left: @fontSize*-1.8/2;
            margin-top: @fontSize*0.5249;
        }
    }

    mor-btn.si-l {
        + span {
            font-size: @fontSize;
            width: @fontSize*1.6;
            height: @fontSize*1.6;
            line-height: @fontSize*1.6;
            margin-left: @fontSize*-1.6/2;
            margin-top: @fontSize*0.48144;
        }
    }

    mor-btn,
    mor-btn.si-m {
        + span {
            font-size: @fontSize*0.75;
            width: 2em;
            height: 2em;
            line-height: 2em;
            margin-left: calc(-1em - @btnGap);
            margin-top: -1em;
            top: 50%;
        }
    }

    mor-btn.si-s {
        + span {
            font-size: @fontSize*0.625;
            width: @fontSize*1.2;
            height: @fontSize*1.2;
            margin-left: @fontSize*-1.2/2;
            line-height: @fontSize*1.2;
            margin-top: @fontSize*0.25;
        }
    }

    mor-btn.si-xs {
        + span {
            font-size: @fontSize*0.625;
            width: @fontSize*1;
            height: @fontSize*1;
            line-height: @fontSize*1;
            margin-left: @fontSize*-1/2;
            margin-top: @fontSize*0.1875;
        }
    }

    mor-btn.si-xxs {
        + span {
            font-size: @fontSize*0.625;
            width: @fontSize*1;
            height: @fontSize*1;
            line-height: @fontSize*1;
            margin-left: @fontSize*-1/2;
            margin-top: @fontSize*0.125;
        }
    }

    &.split {
        > mor-btn{
            padding-right: 1.5em;
            padding-left: 1.5em;
            margin-right: @btnGap*2;
        }
    }

    &.nogap{
        > mor-btn{
            margin-right: 0;
        }

        &.vertical > mor-btn{
            margin-bottom: 0;
        }
    }

    // default status
    &{}
}