.percentage-calculators-container {
    /*max-width: 800px;*/
    margin: 0 auto;
    /*background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
*/
}

.percentage-calculators-container h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
}

.calculator {
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 6px;
    background: #fff;
}

.calculator h2 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.input-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.input-group label {
    margin: 0 8px;
}

.percentage-calculators-container input[type=text] {
    width: 70px;
    padding: 2px;
    border: 1px solid #ddd;
    border-radius: 2px;
    text-align: center;
}

.button-group {
    margin-top: 15px;
}

.btn1 {
    padding: 10px 20px;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    /*margin-right: 10px;
    font-weight: bold;*/
    transition: background-color 0.2s;
}

.btn-calculate1 {
    background-color: #4CAF50;
}

.btn-calculate1:hover {
    background-color: #45a049;
}

.btn-clear1 {
    background-color: #9E9E9E;
}

.btn-clear1:hover {
    background-color: #888;
}

.percentage-calculators-container table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.percentage-calculators-container table, 
.percentage-calculators-container th, 
.percentage-calculators-container td {
    border: 1px solid #ddd;
}

.percentage-calculators-container th {
    background-color: #f2f2f2;
    padding: 10px;
    text-align: left;
}

.percentage-calculators-container td {
    padding: 10px;
}

.result {
    font-weight: bold;
    color: #2c3e50;
    padding: 8px 12px;
    background: #f0f7ff;
    border-radius: 4px;
    display: inline-block;
    margin-top: 10px;
}

.input-with-label {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.input-with-label label {
    width: 80px;
    margin-right: 10px;
}

.instructions {
    color: #666;
    font-style: italic;
    margin-bottom: 15px;
}