body {
    background-color: rgb(29, 29, 29);
}

#container {
    background-color: black;
    color: white;
    border: 7px solid rgb(97, 97, 97);
    border-radius: 20px;
    text-align: center;
    width: 85%;
    margin: auto;
    padding: 5%;
    padding-top: 3%;
}

.output {
    background-color: rgb(244, 244, 244);
    color: rgb(0, 0, 0);
    border: 2px solid rgb(58, 58, 58);
    text-align: center;
    justify-content: center;
    align-content: center;
    width: 100%;
    height: 30px;
}

input {
    width: 20%;
    height: 30px;
    border: 3px solid white;
}