:root {
    --primary-color: seagreen;
    --secondary-color: orange;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 1rem;
}

body {
    display: grid;
    grid-template-rows: 1fr 4rem;
    height: 100dvh;
    width: 100dvw;
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin: 5rem 0;
    font-size: 2rem;
}

main {
    grid-row: 1 / 2 ;
}

ul.tools__list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

ul.tools__list li a {
    border-radius: .2rem;
    border: 1px solid var(--primary-color);
    text-decoration: none;
    padding: .5rem 1rem;
    display: block;
    font-size: 1.25rem;
    color: var(--primary-color);
    transition: all .15s ease-in-out;
}

ul.tools__list li a:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: scale(1.1);
}

footer {
    grid-row: 2 / 3 ;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
}