@import url('https://fonts.googleapis.com/css2?family=Bitcount+Grid+Double:wght@100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');

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

html,
body {
    width: 100%;
    height: 100%
}

#main {
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 40);
    flex-wrap: wrap;
}

.nav {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 10px 20px;
    height: 65px;
    background-color: rgb(2, 2, 24);
    color: white;
    font-size: 4vmin;
    font-family: "Bitcount Grid Double", system-ui;
    display: flex;
    align-items: center;
    padding-left: 10px;
    flex-wrap: wrap;
}

#screen {
    height: 10vmin;
    width: 40vmin;
    background-color: rgba(1, 206, 252, 0.623);
    border: 0.5vmin solid rgb(214, 148, 242);
    box-shadow:
        0 0 0.5vmin rgb(214, 148, 242),
        0 0 1vmin rgb(214, 148, 242),
        0 0 2vmin rgb(214, 148, 242);
    transition: box-shadow 0.3s ease-in-out;
    border-radius: 1vmin;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 5vmin;
}

#centerBox {
    display: flex;
    height: 90%;
    justify-content: center;
    align-items: center;
}

#ope {
    background-color: rgb(255, 200, 0);
    cursor: pointer;
    border: 0.5vmin solid rgb(214, 148, 242);
    box-shadow:
        0 0 0.5vmin rgb(214, 148, 242),
        0 0 1vmin rgb(214, 148, 242),
        0 0 2vmin rgb(214, 148, 242);
    transition: box-shadow 0.3s ease-in-out;
    border-radius: 5vmin;
    font-family: "Bebas Neue", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 7vmin;
}

.plusmin {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 7vmin;
    height: 50%;
    border: 0.3vmin solid black;

}

#eqal {
    background-color: lawngreen;
}

#all-clr {
    background-color: black;
    color: whitesmoke;
}

.numbers {
    display: grid;
    grid-template-rows: repeat(4, 12vmin);
    grid-template-columns: repeat(4, 10vmin);
}

.numbers button {
    margin: 0.3vmin;
    background-color: rgba(119, 0, 255, 0.87);
    cursor: pointer;
    border-radius: 5vmin;
    border: 0.5vmin solid rgb(214, 148, 242);
    box-shadow:
        0 0 0.5vmin rgb(214, 148, 242),
        0 0 1vmin rgb(214, 148, 242),
        0 0 2vmin rgb(214, 148, 242);
    transition: box-shadow 0.3s ease-in-out;
    font-family: "Bebas Neue", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 7vmin;
}

.numbers button:hover {
    background-color: rgba(119, 0, 255, 0.699);
    box-shadow:
        0 0 1vmin rgb(199, 69, 255),
        0 0 2vmin rgb(199, 69, 255),
        0 0 4vmin rgb(199, 69, 255);
    transition: box-shadow 0.1s ease-in-out;
}

#ope:hover {
    background-color: rgba(255, 200, 0, 0.845);
    box-shadow:
        0 0 0.5vmin rgb(255, 255, 0),
        0 0 1vmin rgba(255, 255, 0),
        0 0 2vmin rgba(255, 255, 0);
    transition: box-shadow 0.1s ease-in-out;
}

#eqal:hover {
    background-color: lime;
}

.bt-0 {
    border-top: 0;
}

.bl-0 {
    border-left: 0;
}

.br-0 {
    border-right: 0;
}

.bb-0 {
    border-bottom: 0;
}