html {
    margin: auto;
    max-width: 700px;
    padding-top: 30px;
}

footer {
    margin-top: 20px;
    color: #959595;
    text-align: center;
}

#dateManage, #login {
    margin-left: 10%;
    margin-right: 10%;
    margin-bottom: 10px;
    width: 80%;
}

table {
    margin-top: 20px;
    border-collapse: collapse;
    width: 100%;
}

tr {
    border-bottom: 1px solid #e0e0e0;
}

th {
    text-align: left;
    padding: 10px;
    background-color: #f5f5f5;
}

td {
    text-align: left;
    padding: 10px;
}

#excelDataTable {
    display: none;
}

h3 {
    font-family: 'Noto Sans KR';
    font-weight: 500;
    font-size: 18px;
}

#delete{
    width: 40%;
    margin-right: 10%;
}

#back {
    width: 40%;
}

img {
    height: auto;
    margin-left: 20%;
    margin-right: 20%;
    width: 60%;
    text-align: center;
    margin-bottom: 20px;
}

#box {
    margin-left: 10%;
    margin-right: 10%;
    width: 80%;
}