.calc_app {
    width: 200px;
    height: 280px;
    top: 200px;
    right: 20px;
}

.calc_buttons {
    width: 108%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    grid-template-areas: 
        "a a a b"
        "a a a b"
        "a a a b"
        "c c c b"
    ;
    gap: 5px;
    height: fit-content;
}

.a {
    grid-area: a;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 5px;
}

.b {
    grid-area: b;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.c {
    grid-area: c;
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

.calc_button {
    width: 100%;
    padding: 3px 0;
    background: transparent;
    color: #fff;
    border: 1px solid var(--accent-primary);
    font-family: "VT323", monospace;
    font-size: 20px;
}
.calc_button:hover {
    background: var(--accent-primary);
}

.calc_button i {
    font-size: 16px;
}

.calc_input {
    padding: 3px 5px;
    width: 100%;
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: #fff;
    font-family: "VT323", monospace;
    font-size: 20px;
}

.delete_char {
    fill: #fff;
    height: 18px;
}

.equal {
    border: 1px solid var(--accent-secondary);
    width: 108%;
}

.equal:hover {
    background: var(--accent-secondary);
    color: #000;
}