.lms-fraction-calculator {
    display: table;
    margin: 10px auto;
    min-width: 400px;
    text-align: center;
    border-radius: 5px 5px;
    padding: 10px;
}

.fraction-calculator-body {
    display: table;
    margin: 10px auto;
    text-align: center;
    min-width: 400px;
}

.fraction-calculator-body > div {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    font-size: 36px;
}

.fraction .fraction-value {
    display: block;
    margin: 0 auto;
    width: 80px;
    text-align: center;
    border-radius: 5px 5px;
    border: 1px solid steelblue;
}

.fraction .fraction-value:focus {
    outline: none;
    border-color: aqua;
}

.fraction hr {
    display: block;
    margin: 5px auto;
    border: 0;
    border-top: 1px solid steelblue;
}

.fraction-operand-container .fraction-operand {
    margin-left: 10px;
    margin-right: 10px;
    border: 1px solid steelblue;
    border-radius: 5px 5px;
    padding-left: 8px;
}

    .fraction-operand-container .fraction-operand option {
        text-align: center;
    }
    .fraction-operand-container .fraction-operand:focus {
        outline: none;
    }

    .fraction-equals-container {
        padding-left: 10px;
        padding-right: 10px;
    }