@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Roboto+Mono:wght@100;400;600;700&display=swap');

* {
    font-family: "Roboto Mono", 'Courier New', Courier, monospace;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background-color: #f2fff5;
}

h1{
    font-weight: 100;
    font-size: 42px;
    padding: .5em;
}

#calculator {
    height: 400px;
    width: 350px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    background-color: #bbbbbb;
    border: 2px solid #999999;
    border-radius: 5px;
    padding: 1em;
    margin: 1em;
}

#display {
    display: flex;
    background-color: #f2fff5;
    color: #000000;
    border: 2px solid #9da79f;
    border-radius: 5px;
    font-weight: 700;
    font-size: 28px;
    flex: 1;
    height: 60px;
    align-items: center;
    justify-content: right;
    padding: 2px 0.25em;
    margin-bottom: 1em;
}
.row {
    display: flex;
    justify-content: space-around;
    gap: 4px;
}

button {
    cursor: pointer;
    user-select: none;
    color: #ffffff;
    background-color: #333333;
    border: 2px solid #222222;
    border-radius: 10px;
    width: 50px;
    height: 40px;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    line-height: 0px;
    flex: 1;
}

button.equals, button.delete {
    flex: 2 10px;
    font-size: 32px;
}
button.equals, button.clear{
    background-color: #e27434;
    border-color: #c5652e;
}
button.delete{
    background-color: #899fa0;
    border-color: #748788;
}

button.operator{
    background-color: #666666;
    border-color: #555555;
}

button:active {
    background-color: #222222;
    border-color: #000000;
}
button.delete:active {
    background-color: #748788;
    border-color: #515e5f;
}
button.equals:active, button.clear:active {
    background-color: #c5652e;
    border-color: #a55527;
}
button.operator:active {
    background-color: #555555;
    border-color: #222222;
}



#footer {
    margin-top: auto;
    display: flex;
    justify-content: center;
    padding: 1em 0;
}