.text-inp {
    height: 2.5em;
    width: 15em;
    margin-top: 1em;
    border: solid black;
    border-radius: 0.5em;
    background-color: #fff;
    font-size: 1.25em;
    color: blue;
    text-align: center;
}


.mathfield{
    justify-content: center;
    display: inline-block;
    align-items: center;
}


.button-1 {
    height: 2.5em;
    width: 10em;
    display: inline-block;
    padding: auto;
    background-color: rgb(200, 200, 200);
    border: 0.1em solid transparent;
    margin: 0 0.2em 0.2em 0;
    border-radius: 0.12em;
    box-sizing: border-box;
    text-decoration: none;
    font-size: 1.25em;
    font-family: sans-serif;
    font-weight: 500;
    color: #ffff;
    text-align: center;
    transition: all 0.2s;
}

.button-1:hover {
    cursor: pointer;
}

.polynomial {
    padding-left: 2.5em;
    padding-right: 2.5em;
    margin-bottom: 1em;
    display: inline-flex;
}