#numerology-calculator {
    font-family: inherit; /* better than Arial */
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 12px;
    background: #ffffff; 
    box-shadow:0 5px 15px rgba(0,0,0,0.1);
    border: 1px solid #f9f9f9; 
} 

#numerology-calculator h3 { 
    text-align: center; 
    color: #333; 
    margin-top: 0; 
} 

#numerology-calculator label { 
    display: block; 
    margin-top: 10px; 
    font-weight: bold; 
    color: #555; 
} 
    
#numerology-calculator input, #numerology-calculator select { 
    width: 100%; 
    padding: 8px; 
    margin-top: 5px; 
    box-sizing: border-box; 
    border: 1px solid #ddd; 
    border-radius: 4px; 
} 

#numerology-calculator button { 
    width: 100%; 
    padding: 10px; 
    margin-top: 20px; 
    background-color: #0073aa; 
    /* WordPress primary color */ 
    color: white; 
    border: none; 
    border-radius: 4px; 
    cursor: pointer; 
    font-size: 16px; 
    transition: background-color 0.3s; 
} 

#numerology-calculator button:hover { 
    background-color: #005177; 
} 

#numerology-calculator #result-area { 
    margin-top: 20px; 
    padding: 15px; 
    border: 1px solid #ddd; 
    border-radius: 4px; 
    background-color: #fff; 
    min-height: 50px; 
} 

#numerology-calculator .inline-highlight-number { 
    font-size: 1.5em; 
    font-weight: bold; 
    color: #d54e21; 
    /* WordPress secondary color */ 
    display: inline-block; 
    line-height: 1; 
    margin: 0 5px; 
} 

#numerology-calculator .personal-year-number { 
    font-size: 2em; 
    font-weight: bold; 
    color: #d54e21; 
    /* WordPress secondary color */ 
    text-align: center; 
    margin-bottom: 10px; 
    
} 

#numerology-calculator .error { 
    color: red; 
    font-weight: bold; 
    
}