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

h1 {
    font-size: 30px;
    text-align: center;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #FFCCFF;
}

.calculator {
    width: 860px;
    height: 550px;
    background-color: #FF66FF;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    border-radius: 20px;
    border: 3px black solid;
}

.a {
    display: flex;
    flex-direction: column;
    row-gap: 10px;
    text-align: center;
    font-size: 20px;
}

input, select {
    padding: 6px 10px;
    border-radius: 10px;
    border: 2px black solid;
}

.ug {
    padding: 15px 30px;
    border-radius: 10px;
    background-color: #990066;
    color: black;
    border: 2px black solid;
    font-size: 16px;
}

.but :hover {
    background-color: #660066;
}

.result{
    opacity: 0;
    padding: 5px 10px;
    border: 3px black solid;
    border-radius: 30px;
    background-color: #FF0099;
}

.misstake {
    display: flex;
    margin: auto 0;
}