stylesheet.css

/* Style sheet for the calculator */

body {
    background-color: #476088;
    color: #f8eeee;
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}
.header {
    text-align: left;
    margin: 30px 30px 30px 30px;
}
#card {
    background-color: #f8eeee;
    max-width: 290px;
    margin: 10px 30px 10px 30px;
    padding: 30px;
    border-radius: 0.2em;
}
#screen {
    width: auto;
    height: 50px;
    background-color: #ffffff;
    color: #476088;
    box-shadow: inset 0px 4px 4px rgba(0, 0, 0, 0.25);
    margin-bottom: 20px;
    text-align: right;
    font-size: 2em;
    padding: 0.5em 0.5em 0 0;
}
#button-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    grid-auto-flow: row;
}
button {
    width: 50px;
    height: 50px;
    background-color: #476088;
    color: #f8eeee;
    border-radius: 0.2em;
    font-weight: 600;
    font-size: 1.3em;
    text-align: center;
    border-style: none;
    cursor: pointer;
}
button:hover {
    box-shadow: inset 0px 4px 4px rgba(0, 0, 0, 0.25);
}
button:focus {
    outline: 1px solid #ffffff;
    outline-offset: -4px;
    background-color: #ffffff;
    color: #476088;
    box-shadow: inset 0px 2px 2px rgba(71, 96, 136, 0.4);
}

#decimal {
    grid-row: 3 / 3;
    grid-column: 1 / 1;
}
#substract {
    grid-row: 3 / 3;
    grid-column: 2 / 2;
}
#add {
    grid-row: 3 / 3;
    grid-column: 3 / 3;
}
#divide {
    grid-row: 3 / 3;
    grid-column: 4 / 4;
}
#multiply {
    grid-row: 3 / 3;
    grid-column: 5 / 5;
}
#sqrt {
    grid-row: 4 / 4;
    grid-column: 3 / 3;
}
#equal {
    grid-row: 4 / 4;
    grid-column: 4 / 4;
}
#cancel {
    grid-row: 4 / 4;
    grid-column: 5 / 5;
}