style.css

main {
    font-family: sans-serif;
    display: grid;
    justify-content: center;
    margin-top: 2rem;
    width: 100%;
    height: 100%;
    /* background-color: red; */
}


#box {
    width: 200px;
    height: 200px;
    background-color: rgb(166, 95, 233);
    border-radius: 10px 20px 10px 10px;
    justify-self: center;
}

#value {
    justify-self: center;
    margin-top: 2rem;
    width: 250px;
    padding: 1rem;
    color: black;
    cursor: pointer;
    box-shadow: rgb(209, 209, 209) 0px 5px 0px;
    border: none;
    border-radius: 5px;
    transition: ease-in-out 400ms;
    background-color: rgb(233, 255, 225);
    font-weight: bold;
    text-align: center;
    outline: none;
}

#value:hover {
    background-color: rgb(255, 255, 145);
}


#message {
    color: green;
    font-weight: bold;
    text-align: center;
    margin-top: 0.5rem;
    transition: 500ms ease-in-out;
    transform: translateY(-30px);
    opacity: 0;
}


span:hover #message {
    transform: translateY(0px);
    opacity: 1;
}

.input_wrapper {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
}

.input_wrapper input {
    width: 50px;
    height: 30px;
    font-weight: bold;
    text-align: center;
    outline: none;
}