body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: lightblue;
    font-family: Arial, sans-serif;
}

.calculator {
    background-color: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 10px black;
}

.screen {
    width: 95%;
    background-color: lavender;
    color: black;
    font-size: 36px;
    text-align: right;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: auto;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 60px);
    gap: 10px;
    justify-content: center;
}

button {
    background-color: pink;
    border: none;
    color: black;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    font-size: 20px;
    cursor: pointer;
}

button:hover {
    background-color: lightpink;
}

button:active {
    background-color: pink;
}

#equals {
    background-color: lightpink;
    color: black;
}

#equals:hover {
    background-color: pink;
}

#clear {
    background-color: lightpink;
    color: black;
    font-size: 15px;
}

#clear:hover {
    background-color: pink;
}