.icono-book{
    width: $26;
    height: $22;
    border-radius: 0 0 0 $6;
    @extend .icono-stroke
    border-top: none;
    margin: $10 $4 $2;
    &:before{
        position: absolute;
        width: $24;
        height: $7;
        box-sizing: border-box;
        @extend .icono-stroke
        border-top: none;
        border-right: none;
        left: -1*$2;
        top: -1*$5;
        border-radius: 0 0 0 $6;

}
    &:after{
        position: absolute;
        width: $24;
        height: $8;
        box-sizing: border-box;
        left: -1*$2;
        top: -1*$8;
        @extend .icono-stroke
        border-bottom: none;
        border-radius: $6 0 0 0;

}

}