h5 {
    font-size: 1.8em;
    padding: 0.2em;
    margin: 0.5em;
}

.sub {
    list-style: none;
    padding-left: 20px;
}

.hidden {
    display: none;
}

li.toggle {
    cursor: pointer;
    position: relative;
    padding-right: 20px;
}

li.toggle:after {
    content: '➕';
    font-size: 16px;
    position: absolute;
    right: 0;
    top: 0;
    transition: transform 0.3s;
}

li.toggle.expanded:after {
    content: '✖️';
}

li.expanded .hidden {
    display: block;
}

.responsive-table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 16px;
}

.responsive-table th, .responsive-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.responsive-table th {
    background-color: #f2f2f2;
}

.center {
    text-align: center;
}

.calculator-container {
    width: 50%; 
    max-width: 400px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin: 20px;
    
}

.calculator-container input {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px 0;
    font-size: 16px;
}

 
.result {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
}

@media (max-width: 500px) {
    .responsive-table th, .responsive-table td {
        font-size: 8px; 
    }
}
@media (max-width: 800px) {
    .responsive-table th, .responsive-table td {
        font-size: 0.4em; 
    }
}