style.css

@charset "UTF-8";

*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    height: 100vh;
    max-width: 100vw;
    background: linear-gradient(45deg, black, crimson);
    
}

main {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

div#container {
    background-color: transparent;
}

div#res {
    background-color: white;
    border: 0;
    margin-bottom: 8rem;
    padding: 6px;
    border-radius: 3px;
    box-shadow: 1px 2px 2px rgba(0, 0, 0, 0.603);
    height: 2.5vh;
    font-size: 12pt;
    max-width: 86vw;
}

div#teclado {
    background-color: rgb(15, 15, 15);
    padding: 4px;
    
}

table {
    background-color: rgb(53, 52, 52);
    color: rgb(236, 233, 233);
    width: 60vw;
}

td {
    border: 1px solid black;
    padding: 4px;
    text-align: center;
    cursor: pointer;
    border-radius: 2px;
}

td.top {
    width: 2vw;
    height: 2vh;
    font-size: 10pt;
}

td.left {
    text-align: left;
    padding: 5px;
}

td:hover {
    background-color: black;
}

footer {
    color: rgb(233, 112, 112);
    text-align: center;
    font-size: 17pt;
    font-style: italic;
}