* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f2f2f2;
}

.container {
    padding: 30px;
    width: 90%;
    max-width: 800px;
    border: 4px solid black;
    border-radius: 30px;
    text-align: center;
    background-color: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.h1 {
    font-size: 28px;
    color: white;
    background-color: black;
    padding: 15px;
    margin-bottom: 25px;
    border-radius: 10px;
}

.color-button {
    margin: 10px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    width: 120px;
    height: 60px;
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, opacity 0.2s;
}

.color-button:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.red {
    background-color: red;
}

.green {
    background-color: green;
}

.blue {
    background-color: blue;
}

.orange {
    background-color: orange;
}

.purple {
    background-color: purple;
}

.pink {
    background-color: pink;
    color: black;
}

.brown {
    background-color: brown;
}

@media (max-width: 600px) {
    .color-button {
        width: 100%;
    }
}







/* * {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.color-button {
    margin: 10px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    width: 100px;
    height: 60px;
    border: 8px solid black;
}

.red {
    background-color: red;
}

.green {
    background-color: green;
}

.blue {
    background-color: blue;
}

.orange {
    background-color: orange;
}

.purple {
    background-color: purple;
}

.pink {
    background-color: pink;
    color: black;
}

.brown {
    background-color: brown;
}

.container {
    padding-bottom: 30px;
    padding-top: 30px;
    gap: 20px;
    width: 900px;
    border: 4px solid black;
    border-radius: 35px;
    text-align: center;
    margin-top: 140px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
}

.h1 {
    font-size: 30px;
    color: white;
    background-color: black;
    padding: 10px;
    margin-bottom: 20px;
} */


/* another code  */