style.css

body {
    background: linear-gradient(180deg, #fce0f8, #f4a3dd);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #c2b7b7;
}

.container {
    text-align: center;
}

.title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.calci {
    background-color: #ffffffcc;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

#display {
    width: 100%;
    height: 60px;
    text-align: right;
    font-size: 28px;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 15px;
    box-sizing: border-box;
    background-color: #f8f8f8;
    color: #0e0d0d;
}

.button, .operator {
    width: 22%;
    height: 50px;
    margin: 5px 1%;
    font-size: 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.3s ease;
}

.button {
    background-color: #f0f0f0;
}

.operator {
    background-color: #f672af;
    color: #fff;
}

.button:hover, .operator:hover {
    background-color: #d85d5d;
    transform: translateY(-3px);
}

.operator:hover {
    background-color: #e08900;
}

.clear {
    background-color: #ff3b3b;
    color: rgb(238, 157, 157);
}

.clear:hover {
    background-color: #e03333;
}

.backspace {
    background-color: #ffcc00;
}

.backspace:hover {
    background-color: #e6b800;
}

#zero {
    width: 48%;
}

.calci {
    max-width: 400px;
    margin: 0 auto;
}

form {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}