.customStyle1 {

    font-size: 26px;
    font-family: NanumSquareRoundR, serif;

}
.t-alingL { text-align: left; }
.t-alingJ { text-align: justify; }
.t-alingC { text-align: center; }
/*flex*/
.flex-box {
    display: flex !important;
    display: -ms-flex !important;
}
.inline-flex-box {
    display: inline-flex !important;
    display: -ms-inline-flexbox !important;
}
[class*="flex-box"].a-center { align-items: center; }
[class*="flex-box"].j-center { justify-content: center; }
[class*="flex-box"].cloumn { flex-direction: column; }

.ta_cen{ text-align: center; }
.ti_10 { text-indent: 10px !important; }
.ti_15 { text-indent: 15px !important; }
.ti_20 { text-indent: 20px !important; }
.ti_30 { text-indent: 30px !important; }
.ti_09em { text-indent: 0.9em !important; }
.ti_1em { text-indent: 1em !important; }
.ti_0 { text-indent: 0px !important; }

.ls_0 { letter-spacing: 0;}
.ls_1 { letter-spacing: -1px;}
.ls_2 { letter-spacing: -2px;}
.ls_3 { letter-spacing: -3px;}
/*폰트 사이즈*/
.fs20 { font-size: 20px !important; }
.fs21 { font-size: 21px !important; }
.fs22 { font-size: 22px !important; }
.fs22 { font-size: 22px !important; }
.fs24 { font-size: 24px !important; }
.fs25 { font-size: 25px !important; }
.fs26 { font-size: 26px !important; }
.fs27 { font-size: 27px !important; }
.fs28 { font-size: 28px !important; }
.fs29 { font-size: 29px !important; }
.fs30 { font-size: 30px !important; }
.fs31 { font-size: 31px !important; }
.fs32 { font-size: 32px !important; }
.fs33 { font-size: 33px !important; }
.fs34 { font-size: 34px !important; }
.fs35 { font-size: 35px !important; }
.fs36 { font-size: 36px !important; }
.fs37 { font-size: 37px !important; }
.fs38 { font-size: 38px !important; }
.fs39 { font-size: 39px !important; }
.fs40 { font-size: 40px !important; }
.fs41 { font-size: 41px !important; }
.fs42 { font-size: 42px !important; }
.fs43 { font-size: 43px !important; }
.fs44 { font-size: 44px !important; }

.mt-50 { margin-top: -50px !important; }
.mt-20 { margin-top: -20px !important; }
.mt_0 { margin-top: 0px !important; }
.mt_3 { margin-top: 3px !important; }
.mt_4 { margin-top: 4px !important; }
.mt_5 { margin-top: 5px !important; }
.mt_6 { margin-top: 6px !important; }
.mt_7 { margin-top: 7px !important; }
.mt_8 { margin-top: 8px !important; }
.mt_10 { margin-top: 10px !important; }
.mt_12 { margin-top: 12px !important; }
.mt_14 { margin-top: 14px !important; }
.mt_15 { margin-top: 15px !important; }
.mt_20 { margin-top: 20px !important; }
.mt_22 { margin-top: 22px !important; }
.mt_24 { margin-top: 24px !important; }
.mt_25 { margin-top: 25px !important; }
.mt_27 { margin-top: 27px !important; }
.mt_30 { margin-top: 30px !important; }
.mt_35 { margin-top: 35px !important; }
.mt_40 { margin-top: 40px !important; }
.mt_45 { margin-top: 45px !important; }
.mt_50 { margin-top: 50px !important; }
.mt_55 { margin-top: 55px !important; }
.mt_60 { margin-top: 60px !important; }
.mt_65 { margin-top: 65px !important; }
.mt_70 { margin-top: 70px !important; }
.mt_80 { margin-top: 80px !important; }
.mt_90 { margin-top: 90px !important; }
.mt_95 { margin-top: 95px !important; }
.mt_100 { margin-top: 100px !important; }
.mt_110 { margin-top: 110px !important; }
.mt_120 { margin-top: 120px !important; }

.ml_5 { margin-left: 5px !important; }
.ml_7 { margin-left: 7px !important; }
.ml_10 { margin-left: 10px !important; }
.ml_15 { margin-left: 15px !important; }
.ml_20 { margin-left: 20px !important;}
.ml_30 { margin-left: 30px !important; }
.ml_32 { margin-left: 32px !important; }
.ml_40 { margin-left: 40px !important; }
.ml_50 { margin-left: 50px !important; }
.ml_55 { margin-left: 55px !important; }
.ml_60 { margin-left: 60px !important; }
.ml_70 { margin-left: 70px !important; }
.ml_80 { margin-left: 80px !important; }
.ml_85 { margin-left: 85px !important; }
.ml_90 { margin-left: 90px !important; }
.ml_100 { margin-left: 100px !important; }
.ml_115 { margin-left: 115px !important; }
.ml_120 { margin-left: 120px !important; }
.ml_130 { margin-left: 130px !important; }
.ml_135 { margin-left: 135px !important; }
.ml_140 { margin-left: 140px !important; }
.ml_145 { margin-left: 145px !important; }
.ml_200 { margin-left: 200px !important; }

.mb_4 { margin-bottom: 4px !important; }
.mb_5 { margin-bottom: 5px !important; }
.mb_8 { margin-bottom: 8px !important; }
.mb_10 { margin-bottom: 10px !important; }
.mb_15 { margin-bottom: 15px !important; }
.mb_20 { margin-bottom: 20px !important; }
.mb_25 { margin-bottom: 25px !important; }
.mb_30 { margin-bottom: 30px !important; }
.mb_32 { margin-bottom: 32px !important; }
.mb_35 { margin-bottom: 35px !important; }
.mb_40 { margin-bottom: 40px !important; }
.mb_50 { margin-bottom: 50px !important; }
.mb_55 { margin-bottom: 55px !important; }
.mb_60 { margin-bottom: 60px !important; }
.mb_70 { margin-bottom: 70px !important; }
.mb_80 { margin-bottom: 80px !important; }
.mb_90 { margin-bottom: 90px !important; }
.mb_100 { margin-bottom: 100px !important; }
.mb_105 { margin-bottom: 105px !important; }

.mr_0 { margin-right: 0px !important; }
.mr_5 { margin-right: 5px !important; }
.mr_8 { margin-right: 8px !important; }
.mr_10 { margin-right: 10px !important; }
.mr_15 { margin-right: 15px !important; }
.mr_20 { margin-right: 20px !important; }
.mr_25 { margin-right: 25px !important; }
.mr_30 { margin-right: 30px !important; }
.mr_35 { margin-right: 35px !important; }
.mr_40 { margin-right: 40px !important; }
.mr_45 { margin-right: 45px !important; }
.mr_50 { margin-right: 50px !important; }
.mr_60 { margin-right: 60px !important; }
.mr_70 { margin-right: 70px !important; }
.mr_75 { margin-right: 75px !important; }
.mr_80 { margin-right: 80px !important; }



.pt_12 { padding-top: 12px !important; }
.pt_15 { padding-top: 15px !important; }
.pt_18 { padding-top: 18px !important; }
.pt_25 { padding-top: 25px !important; }
.pt_30 { padding-top: 30px !important; }
.pt_35 { padding-top: 35px !important; }
.pt_45 { padding-top: 45px !important; }
.pt_50 { padding-top: 50px !important; }
.pt_60 { padding-top: 60px !important; }
.pt_70 { padding-top: 70px !important; }

.pl_0 { padding-left: 0; }
.pl_5 { padding-left: 5px !important; }
.pl_10 { padding-left: 10px !important; }
.pl_15 { padding-left: 15px !important; }
.pl_20 { padding-left: 20px !important; }
.pl_30 { padding-left: 30px !important; }
.pl_40 { padding-left: 40px !important; }
.pl_45 { padding-left: 45px !important; }
.pl_50 { padding-left: 50px !important; }
.pl_60 { padding-left: 60px !important; }
.pl_70 { padding-left: 70px !important; }
.pl_90 { padding-left: 90px !important; }
.pl_95 { padding-left: 95px !important; }
.pl_200 { padding-left: 200px !important; }

.pr_10 { padding-right: 10px !important; }

.pb_45 { padding-bottom: 45px !important;}

.pd_10{ padding: 10px !important; }
.pd_0{ padding: 0px !important; }

/****************화살표 arrow****************/
[class*="arrow-css"] {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin: 0 30px 0 20px;
    background-color: #C3D69B;
    vertical-align: middle;
}
[class*="arrow-css"]:after {
    content:'';
    position:absolute;
    width:0;
    height:0;
    top: -8px;
    right: -38px;
    border-style:solid;
    border-width: 18px 20px;
    border-color: transparent transparent transparent #C3D69B;
}
.arrow-css.side { margin: 0 20px; }
.arrow-css.side:before {
    content:'';
    position:absolute;
    width:0;
    height:0;
    top: -8px;
    left: -38px;
    border-style:solid;
    border-width: 18px 20px;
    border-color: transparent #C3D69B transparent transparent;
}
.arrow-css.gray { background-color: #C9C9CA; }
.arrow-css.gray:after { border-color: transparent transparent transparent #C9C9CA; }
.arrow-css.side.gray:before { border-color: transparent #C9C9CA transparent transparent; }
.arrow-css.pink { background-color: #FEF2F0; }
.arrow-css.pink:after { border-color: transparent transparent transparent #FEF2F0;}

.arrow-css.deeppink { background-color: #ECD1C0; }
.arrow-css.deeppink:after { border-color: transparent transparent transparent #ECD1C0;}

.arrow-css.yellow { background-color: #F1E4CA; }
.arrow-css.yellow:after { border-color: transparent transparent transparent #F1E4CA;}

.arrow-css.deepRed { background-color: #953735; }
.arrow-css.deepRed:after { border-color: transparent transparent transparent #953735;}

.arrow-css.sky { background-color: #B7DEE8; }
.arrow-css.sky:after { border-color: transparent transparent transparent #B7DEE8;}

.arrow-css.deeppink2 { background-color: #E6B9B8; }
.arrow-css.deeppink2:after { border-color: transparent transparent transparent #E6B9B8;}

.arrow-css.top { transform: rotate(270deg); -ms-transform: rotate(270deg);}
.arrow-css.left { transform: rotate(180deg); -ms-transform: rotate(1800deg);}
.arrow-gray.bottom { transform: rotate(90deg); -ms-transform: rotate(90deg); }



/* custom ul */
.customUL{
    padding: 0;
}
.customLI{
    display: inline-block;
    align-items: center;
    list-style: none;
    font-size: 26px;
    padding: 20px 5px;
    border-radius: 16px;
    width: 178px;
    background: #fff;
    border: 1px solid #000;
    height: 178px;
    box-sizing: border-box;
}

/* custom table */
.customTB{
    -webkit-border-radius: 10px;
    border-radius: 10px;
}
.customTB td, .customTB th{ /*td, th 공통*/
    background-color: #fff;
    border-left: 1px solid #5f737a;
    border-bottom: 1px solid #5f737a;
    /* padding: 10px; */
}
.customTB td{
    font-size: 26px;
    padding: 10px 15px;
    /* padding-left: 20px; */
    /*padding-top: 15px;
    padding-bottom: 15px;*/
    line-height: 40px;
    font-family: NanumSquareRoundR, serif;
    text-align: center;

}
.customTB th{
    background-color: #def6ff;
    -webkit-box-shadow: 0 1px 0 rgba(255,255,255,.8) inset;
    -moz-box-shadow: 0 1px 0 rgba(255,255,255,.8) inset;
    box-shadow: 0 1px 0 rgba(255,255,255,.8) inset;
    border-top: none;
    text-shadow: 0 1px 0 rgba(255,255,255,.5);
    font-size: 30px;
    padding: 0 60px;
    text-align: center;
    font-family: NanumSquareRoundEB, serif;
}
.customTB tr:first-child > th:first-child{
    border-top-left-radius: 10px;
}
.customTB tr:first-child > th:last-child{
    border-top-right-radius: 10px;
}
.customTB tr:first-child > td:last-child{
    border-top-right-radius: 10px;
}
.customTB tr:last-child > th:first-child{
    border-bottom-left-radius: 10px;
}
.customTB tr:last-child > td:first-child{
    border-bottom-left-radius: 10px;
}
.customTB tr:last-child > td:last-child{
    border-bottom-right-radius: 10px;
}
.customDIV{
    margin-left: 110px;
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
    letter-spacing: 1px;
    line-height: 38px;
}

/* 커스텀 리스트 */

.listDIV{
    padding-left: 70px;
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
}
.customLIST{
    letter-spacing: 1px;
    line-height: 38px;
    list-style: none;
    margin-bottom: 0;
}
.customLIST > li{
    padding: 3px;
}
.listIndent{
    margin-left: 32px;
    letter-spacing: 1px;
    line-height: 38px;
    list-style: none;
    margin-top: 0;
    margin-bottom: 0;
}

/* 커스텀 리스트 + 테이블 */

.customLITB{
    letter-spacing: 1px;
    line-height: 38px;
    list-style: none;
    margin-bottom: 0;
    padding-left: 0;
}
.customLITB > li{
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
    padding: 3px 3px 3px 40px;
    letter-spacing: 1px;
    line-height: 38px;
}


/* 커스텀 리스트 1번 2번 3번.. */

.customNUM{
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
    list-style: none;
    padding-left: 70px;
}
.customNUM li{
    margin-left: 40px;
    padding: 3px;
    line-height: 38px;
    letter-spacing: 1px;
}

/*검은 블릿 리스트*/
.dotList_bk {
    /*li 초기화*/
    margin: 0;
    list-style: none;
    margin-block-start: 0;
    padding: 0;
}
.dotList_bk > li {
    position: relative;
    padding-left: 16px;
}
.dotList_bk > li:before {
    content: '•';
    position: absolute;
    left: 0px;

}

/* span */
.qui_32 { font-size: 32px; }
.qui_28 { font-size: 28px; }


/* 커스텀 수학 이미지 */


/* 커스텀 수학 이미지+ 텍스트 */
.customMATH{
    padding-left: 70px;
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
    overflow: hidden;
}
.customMATH img{
    border: 1px solid #999;
    box-sizing: border-box;
}
.img_place{
    display: block;
    float: left;
    text-align: center;
}
.img_place > img{
    margin-top: 24px;
    margin-left: 90px;
    border: 1px solid #999;
    box-sizing: border-box;
}

.text_place{
    display: block;
    float: left;
    width: 50%;
    text-align: center;
}
.text_place > ul{
    margin: 0 0 0 40px;
    padding: 0;
}
.text_place > ul > li{
    list-style: none;
    padding: 24px 0;
}
.text_place > ul > li > p{
    display: inline;
    padding: 10px;
    margin: 0 6px;
    background: #eedaa2;
    border-radius: 5px;
    box-sizing: border-box;
}

/* 커스텀 수학 테이블 */
.tableMATH{
    border: 0;
}
.tableMATH td{
    border-right: 1px solid #000;
    border-bottom: 1px solid #000;
    font-size: 26px;
    font-family: NanumSquareRoundR, serif;
    text-align: center;
    padding: 10px 0;
    box-sizing: border-box;
}
.tableMATH td:nth-of-type(10n){
    border-right: 0;
}

/* 회색 보더 */
.borderGray{
    border: 2px solid #999;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
}
/* 수학 말풍선 */
.bubble
{
    position: relative;
    width: 200px;
    /*height: 110px;*/
    padding: 20px;
    background: #FFFFFF;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    border: #7F7FFF solid 3px;
    text-align: center;
}

.bubble:after
{
    /* 앞면(흰색) */
    content: '';
    position: absolute;
    border-style: solid;
    border-width: 10px 50px 10px 0;
    border-color: transparent #FFFFFF;
    display: block;
    width: 0;
    z-index: 0;
    left: -50px;
    top: 27px;
}

.bubble:before
{
    /* 뒷면(색) */
    content: '';
    position: absolute;
    border-style: solid;
    border-width: 12px 52px 12px 0;
    border-color: transparent #7F7FFF;
    display: block;
    width: 0;
    z-index: 1;
    left: -52px;
    top: 25px;
}


/*math 구조 추가*/
.container-box2 { width: 800px; }
.container-box2 .depth_1 dt {
    position: relative;
    text-align: center;
}
.container-box2 .depth_1 dt > p{
    display: inline-block;
    border: 1px solid #aaa;
    border-radius: 10px;
    padding: 6px 30px;
    background: #fff;
    margin: 0;
}
.container-box2 .depth_1 > dt:after,
.container-box2 .depth_1 > dt:before,
.container-box2 dd:first-of-type li:before,
.container-box2 dd:first-of-type li:after {
    content: '';
    position: absolute;
    border-style: solid;
    border-color: #c9c9ca;
}
.container-box2 .depth_1 > dt:before {
    left: 50%;
    bottom: -15px;
    height: 15px;
    border-width: 0 5px 0 0;
    border-radius: 10px;
    transform: translateX(-50%);
}
.container-box2 .depth_1 > dt:after {
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px 5px 0 5px;
    width: 390px;
    height: 20px;
    bottom: -40px;
    border-radius: 10px 10px 0 0px;
}
.container-box2 dd:first-of-type li:before {
    left: 47%;
    transform: translateX(-47%);
    border-width: 0 5px 0px 0px;
    height: 15px;
    bottom: -15px;
    border-radius: 5px;
}
.container-box2 dd:first-of-type li:after {
    left: 20%;
    width: 540px;
    height: 22px;
    border-width: 5px 5px 0px 5px;
    border-radius: 10px 10px 0 0px;
    bottom: -42px;
}
.container-box2 .depth_2 {
    text-align: center;
    display: inline-block;
    width: 45%;
    margin-left: 12px;
}
.container-box2 .depth_2 ul{
    margin: 40px 0;
}
.container-box2 .depth_2 ul li {
    position: relative;
    display: inline-block;
    vertical-align: top;
    /* width: 32%;*/
    border: 1px solid #aaa;
    border-radius: 10px;
    padding: 6px 24px;
    background: #fff;
}
.container-box2 .depth_2 ul > li:not(:last-of-type) { margin-right: 3%; }
.container-box2 .depth_2 li dt {
    border-radius: 10px;
    background-color: #EFECE2;
}
.container-box2 .depth_2 li dd {
    position: relative;
    top:-5px;
    text-align: center;
    border-radius: 10px;
    border: 2px solid dimgray;
    background-color: #fff;
}

.container-box2 .depth_2 dl dt{
    background: #EFEDE1;
    padding: 8px 0 26px 0;
    border-radius: 6px;
    width: 304px;
    margin-left: 46px;
}
.container-box2 .depth_2 dl dd{
    position: relative;
    border: 1px solid #aaa;
    border-radius: 6px;
    top: -16px;
    background: #fff;
    padding: 10px 0;
    width: 304px;
    margin-left: 46px;
}
.container-box2 .depth_2 dl dd div{
    margin-top: 6px;
}
.container-box2 .depth_2 dl dd div > img{
    vertical-align: middle;
    border: 0;
}
/* 복사 */






/* depth_2 */
.container-box2 .depth_11 dt {
    position: relative;
    /*text-align: center;*/
    margin-left: 450px;
}
.container-box2 .depth_11 dt > p{
    display: inline-block;
    border: 1px solid #aaa;
    border-radius: 10px;
    padding: 6px 30px;
    background: #fff;
    margin: 0;
}
.container-box2 .depth_11 > dt:after,
.container-box2 .depth_11 > dt:before,
.container-box2 dd:first-of-type li:before,
.container-box2 dd:first-of-type li:after {
    content: '';
    position: absolute;
    border-style: solid;
    border-color: #c9c9ca;
}
.container-box2 .depth_11 > dt:before {
    left: 10%;
    bottom: -15px;
    height: 15px;
    border-width: 0 5px 0 0;
    border-radius: 10px;
    /*transform: translateX(-50%);*/
}
.container-box2 .depth_11 > dt:after {
    left: -46%;
    border-width: 5px 5px 0 5px;
    width: 749px;
    height: 20px;
    bottom: -40px;
    border-radius: 10px 10px 0 0px;
}

.container-box2 .depth_3 {
    text-align: center;
    display: inline-block;
    width: 30%;
    margin-left: 0;
    vertical-align: top;
}
.container-box2 .depth_3 ul{
    margin: 40px 0;
}
.container-box2 .depth_3 ul li {
    position: relative;
    display: inline-block;
    vertical-align: top;
    /* width: 32%;*/
    border: 1px solid #aaa;
    border-radius: 10px;
    padding: 6px 24px;
    background: #fff;
}
.container-box2 .depth_3 ul > li:not(:last-of-type) { margin-right: 3%; }
.container-box2 .depth_3 li dt {
    border-radius: 10px;
    background-color: #EFECE2;
}
.container-box2 .depth_3 li dd {
    position: relative;
    top:-5px;
    text-align: center;
    border-radius: 10px;
    border: 2px solid dimgray;
    background-color: #fff;
}
.container-box2 .depth_3 dl{
    margin-top: 40px;
}
.container-box2 .depth_3 dl dt{
    background: #EFEDE1;
    padding: 8px 0 26px 0;
    border-radius: 6px;
    width: 312px;
    margin-left: 20px;
}
.container-box2 .depth_3 dl dd{
     position: relative;
     border: 1px solid #aaa;
     border-radius: 6px;
     top: -16px;
     background: #fff;
     padding: 10px 0;
     width: 312px;
     margin-left: 20px;
 }
.container-box2 .depth_3 dl dd div{
    vertical-align: middle;
    border: 0;
    height: 120px;
    margin-top: 6px;
}
.container-box2 .depth_3 dl dd div > img{
    vertical-align: middle;
    border: 0;
    width: 190px;
}