* {
    padding: 0;
    margin: 0;
}

body {
    background: linear-gradient(
        to right, #D83F31, #219C90, #503C3C
    );
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    height: 600px;
    width: 280px;
    border: 6px solid #20063B;
    border-radius: 20px;
    padding: 5px;
    background-color: black;
}

/** Home **/

.home-div {
    margin-top: 15px;
    width: 100%;
    height: 10px;
    display: flex;
    justify-content: center;
    align-items: last baseline;
}

.home {
    height: 5px;
    width: 100px;
    background-color: rgb(248, 245, 245);
    border-radius: 40px;
    opacity: 0.6;
}

/** Display **/

.display {
    margin-top: 20px;
    width: 100%;
    height: 150px;
    font-size: 40px;
    text-align: end;
    background-color: black;
    color: white;
    outline: 0;
    border: 0;
}

.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.button {
    height: 60px;
    width: 60px;
    border-radius: 50%;
    border: none;
    margin-top: 20px;
    font-size: 25px;
    font-weight: 700;
    color: white;
    background-color: rgba(128, 128, 128, 0.5);
    cursor: pointer;
}

#zero {
    width: 135px;
    border: none;
    border-radius: 40px;
}

.color1 {
    background-color: gainsboro;
    color: black;
}

.sign {
    background-color: orange;
}

.button:active {
    transform: scale(0.95);
}