body {
    text-align: center;
}

.table {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    width: 75%;
}

.container {
    text-align: center;
}

.sum {
    display: inline-block;
    font-weight: bold;
    margin-right: 10px;
}

.alert {
    text-align: center;
    width: 75%;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
}

.divide {
    border: dotted 1px gray;
    width: 75%;
}