@charset "utf-8";

body {
    background: rgb(2, 2, 56);
    background: linear-gradient(0deg, rgb(1, 1, 82) 0%, rgba(0, 0, 36, 1) 100%);
    ;
    text-align: center;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

h1 {
    font-family: "Sofia", cursive;
    font-style: normal;
    font-size: 4em;
    text-shadow: #020216 15px 15px 20px;
    color: #00d4ff;
    margin: 0;
}

footer p{
    color: #fff;
    font-size: 1.4em;
}

#calculator {
    max-width: 360px;
    background: rgb(9, 9, 121);
    background: linear-gradient(0deg, rgba(9, 9, 121, 1) 0%, rgba(0, 212, 255, 1) 100%);
    border-radius: 20px;
    padding: 18px;
    box-shadow: #00d4ff 15px 15px 20px;
}

#display {
    width: 100%;
    height: 60px;
    font-size: 22px;
    text-align: right;
    margin-bottom: 10px;
    padding: 20px;
    border-radius: 5px;
    color: #fff;
    background: black;
    border: none;
    box-sizing: border-box;

}

button {
    width: calc(25% - 12px);
    height: 50px;
    font-size: 22px;
    margin: 10px 5px;
    border: none;
    float: left;
    border-radius: 50%;
    background-color: black;
    color: #fff;
    box-shadow: #00d4ff 3px 3px 20px;
}

.operator {
    color: #fff;
    background-color: #020216;
}

#ac {
    color: #fff;
}

.equal {
    width: calc(50%-12px);
}

button:hover {
    cursor: pointer;
}

button:active {
    transform: scale(1.2);
}