.container{
    max-width: 400px;
    margin: 10vh auto 0 auto;
    box-shadow: 0px 0px 43px 17px rgba(153, 153, 153, 1);
}
#result{
    text-align: right;
    height: 70px;
    line-height: 70px;
    padding: 16px 8px;
    font-size: 25px;
}
.buttons{
    display: grid;
    border-bottom: 1px solid black;
    border-left: 1px solid black;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}
.buttons > div{
    border-top: 1px solid black;
    border-right: 1px solid black;
}
.button{
    border: 0.5px solid black;
    line-height: 100px;
    text-align: center;
    font-size: 25px;
    cursor: pointer;
}
.button:hover{
    background-color: cyan;
    transition: 100ms ease-in-out;
}
@media (max-width: 1200px) {
    .container{
        max-width: 400px;
        margin: 10vh auto 0 auto;
        box-shadow: 0px 0px 43px 17px rgba(153, 153, 153, 1);
    }
    #result{
        text-align: right;
        height: 70px;
        line-height: 70px;
        padding: 16px 8px;
        font-size: 25px;
    }
    .buttons{
        display: grid;
        border-bottom: 1px solid black;
        border-left: 1px solid black;
        grid-template-columns: 1fr 1fr 1fr 1fr;
    }
    .buttons > div{
        border-top: 1px solid black;
        border-right: 1px solid black;
    }
    .button{
        border: 0.5px solid black;
        line-height: 100px;
        text-align: center;
        font-size: 25px;
        cursor: pointer;
    }
    .button:hover{
        background-color: cyan;
        transition: 100ms ease-in-out;
    }
}