table {
    width: auto;
    border-collapse: collapse;
}
th, td {
    border: 0.1vw solid #93939350;
    padding: 0.5vw 1vw;
    text-align: center;
    vertical-align: middle;
    font-weight: 500;
    font-size: 1.8vw;
    font-family: 'NanumGothic';
}
th {
    background-color: #9999ff20;
    
}
.shaded {
    background-color: #9999ff20;
}

th:first-child,
td:first-child {
    border-left: none;
}
th:last-child,
td:last-child {
    border-right: none;
}
table th mjx-math {
    vertical-align: -0.15vw;
}
table td mjx-math {
    vertical-align: -0.15vw;
}
tr:first-child th,
tr:first-child td {
    border-top: none;
}
tr:last-child th,
tr:last-child td {
    border-bottom: none;
}