* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Winky Rough", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: rgb(184, 199, 203);
}

.calculator {
    background-color: white;
    padding: 1rem;
    width: 350px;
    border-radius: .5rem;
}

.show {
    background-color: #d2dee2;
    margin-bottom: .5rem;
    padding: 1rem;
    text-align: end;
    border-radius: .5rem;
}

.prev, .current {
    display: flex;
    align-items: center;
    justify-content: end;
}

.current {
    font-size: 3rem;
    height: 60px;
}

.prev {
    height: 25px;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: .5rem;
}

button {
    font-family: "Winky Rough", sans-serif;
    padding: 1rem;
    font-size: 1rem;
    cursor: pointer;
    background-color: #d2dee2;
    border: none;
    border-radius: .5rem;
    font-size: 1.5rem;
}

button:hover {
    background-color: #b3bbbd;
}

.sky {
    background-color: #b4edff;
}

.sky:hover {
    background-color: #6dc2db;
}