    .#{$prefix}btn {
        display: inline-block;
        position: relative;
        @if $include-ie {
            zoom: 1;
            *display: inline;
        }
        outline: 0;
        cursor: pointer;
        white-space: nowrap;
        vertical-align: middle;
        text-decoration: none;
    }

    .#{$prefix}btn-wrap {
        position: relative;
        display: block;
    }

    .#{$prefix}btn-button {
        position: relative;
        display: block;
        text-decoration: none;
        overflow: hidden;
        zoom: 1;
    }

    .#{$prefix}btn-inner {
        display: block;
        white-space: nowrap;
        overflow: hidden;
        zoom: 1;
    }

    .#{$prefix}btn-icon-el {
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        position: absolute;
        background-repeat: no-repeat;
        text-align: center;
    }

    .#{$prefix}btn-inner-center {
        text-align: center;
    }

    .#{$prefix}btn-inner-left {
        text-align: left;
    }

    @if $include-rtl {
        .#{$prefix}rtl.#{$prefix}btn-inner-left {
            text-align: right;
        }
    }

    .#{$prefix}btn-inner-right {
        text-align: right;
    }

    @if $include-rtl {
        .#{$prefix}rtl.#{$prefix}btn-inner-right {
            text-align: left;
        }
    }