*{
    margin: 0;
    padding: 0;
    font-family:'Poppins', sans-serif;
    box-sizing: border-box;
}
.container{
    width: 100%;
    height: 100vh;
    background-color: rgb(134, 178, 178);
    display: flex;
    align-items: center;
    justify-content: center;

}
.calculator{
    background-color: rgb(75, 130, 189);
    padding: 20px;
    border-radius: 10px;
}

.calculator form input{
    border: 0;
    outline: 0;
    height: 60px;
    width: 60px;
    border-radius: 10px;
    box-shadow: -8px -8px 15px rgba(255, 255, 255, 0.1), 5px 5px 15px rgba(0, 0, 0, 0.2);
    background: transparent;
    font-size: 20px;
    color: #fff;
    cursor: pointer;
    margin: 10px;
}
form .display{
    display: flex;
    justify-content: flex-end;
    margin: 20px 0;

}
form .display input{
    text-align: right;
    flex: 1;
    font-size: 50px;
    box-shadow: none;
}
form input.equal{
    background-color: red;
}

form input.operator{
    background-color: red;
}

form input.operator2{
    background-color: goldenrod;
}

/* Button Styling */
.dark-toggle {
    margin-bottom: 15px;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    background-color: #222;
    color: #fff;
    border: none;
}

/* Dark Mode Theme */
body.dark {
    background-color: #1e1e1e;
}

body.dark .calculator {
    background-color: #2c2c2c;
}

body.dark .calculator form input {
    background-color: #444;
    color: #eee;
    box-shadow: none;
}

body.dark form input.equal {
    background-color: darkred;
}

body.dark form input.operator {
    background-color: darkred;
}

body.dark form input.operator2 {
    background-color: goldenrod;
}