.math-menu-header {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
}

.math-menu-header span {
    width: 46px;
    height: 48px;
    text-align: center;
    color: #000000;
    outline: none;
    margin: 0 2px;
    cursor: pointer;
    position: relative;
    line-height: 48px;
    font-size:16px;
}

.math-menu-header span:after {
    height: 36px;
    display: block;
    width: 1px;
    border-left: 1px dashed #E0E0E0;
    content: '';
    position: absolute;
    top: 6px;
    right: -6px;
}

.math-menu-header span.selected,
.math-menu-header span:hover{
    background-color: #E3E3E3;
    box-shadow: 0 1px 1px 0 rgba(255,255,255,0.72), inset 0 1px 1px 0 rgba(0,0,0,0.50);
    border-radius: 3px;
}

.math-area {
    background: #FFFFFF;
    border: 1px solid #BDBDBD!important;
    border-radius: 3px;
    padding-top: 25px;
    padding-left: 30px;
    padding-bottom: 200px;
    width: 98%;
    margin-top:6px;
    height: 100%;
    box-sizing: border-box;
}

.math-list-container .math-panel {
    display: none;
    /* min-height: 100px; */
    white-space: normal;
    padding-top: 5px;
    padding-left: 10px;
    background: #FFFFFF;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.24);
    border-radius: 3px;
    width: 98%;
}

.math-list-container .math-panel.selected {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.math-list-container .math-panel span {
    height: 48px;
    width: 48px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 5px;
    margin-right: 10px;
    line-height: 40px;
    font-size: 16px;
    border-radius: 3px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    min-width: 24px;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative;
}

.math-list-container .math-panel span:hover {
    background-color: #E3F2FD;
    border-radius: 3px;
}

.math-list-container .math-panel span:after {
    height: 36px;
    display: block;
    width: 1px;
    border-left: 1px dashed #E0E0E0;
    content: '';
    position: absolute;
    top: 6px;
    right: -6px;
}

.math-panel * {
    font-family: Symbola!important;
    font-size: 16px!important;
}


.math-division{
    display:inline-block;
    transform:rotate(30deg)!important;
}
