body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}
nav {
    background: #333;
    padding: 40px;
}
nav ul {
    list-style: none;
}
nav ul li a {
    color: white;
    text-decoration: none;
    float: left; 
    padding: 10px;
}
.active {
    font-weight: bold;
    text-decoration: underline;
}
header {
    text-align: center;
    padding: 20px;
    background-color: #ffe6ba;
}
main {
    display: grid;
    place-items: center;
    padding: 50px;
    background-color: #ffe6ba;
}
section {
    text-align: center;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
p {
    font-size: 18px;
    color: #333;
    text-align: left
}
.color-options {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-top: 20px;
}
.color-button {
    width: 50px;
    height: 50px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}
footer {
    background-color: #333;
    height: 60px;
    justify-content: center;
    padding-right: 15px;
    padding-left: 15px;
}
        
footer p {
    color: white;
    font-size: 18px;
    font-family: arial;
    text-align: center;
    padding-top: 20px
}
h1 {
    font-size: 28px;
    font-family: helvetica;
    padding-bottom: 20px;
}
h2 {
    font-size: 22px;
    font-family: helvetica;
    padding-bottom: 20px;
}
.paint-calculator {
    max-width: 100%;
    margin: 30px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

.paint-calculator h1 {
    font-size: 1.5em;
    text-align: center;
    color: #333;
}

.paint-calculator p {
    text-align: center;
    font-size: 0.9em;
    color: #555;
}

.paint-calculator label {
    font-weight: bold;
    display: block;
    margin-top: 10px;
}

.paint-calculator input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

.paint-calculator button {
    width: 100%;
    background: #007bff;
    color: white;
    padding: 10px;
    font-size: 1.1em;
    border: none;
    border-radius: 5px;
    margin-top: 15px;
    cursor: pointer;
    transition: background 0.3s;
}

.paint-calculator button:hover {
    background: #0056b3;
}

.paint-calculator #result {
    text-align: center;
    font-weight: bold;
    margin-top: 15px;
    font-size: 1.1em;
}