/* browser reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    /* colors */
    --body-background-color1: pink;
    --body-background-color2: lightgreen;
    --heading-text: darkgreen;
    --button-background: beige;
    --button-shadow: green;
    --button-action: lightcoral;
    --stage-text: darkgreen;
    --stats-background: green;
    --stats-shadow: gray;
    --stats-text: white;

    /* font */
    --body-font: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
body {    
    font-size: 1.15em;
    line-height: 1.5;
    background-image: linear-gradient(var(--body-background-color1), var(--body-background-color2));
    background-repeat: no-repeat;
    background-size: cover;
    font-family: var(--body-font);
    min-height: 100vh;
}
#wrapper {
    min-width: 45ch;
    margin-left: auto;
    margin-right: auto;
}
header, #btn-grp {
    padding: 1em 0;
    text-align: center;
}
header {
    padding-left: 1em;
    padding-right: 1em;
    line-height: 1.15;
}
footer {
    padding: 2em 1em;
    text-align: center;
    color: var(--stage-text);
    font-style: italic;
}
footer p {
    color: var(--dark-teal);
    font-size: 1rem;
    font-style: italic;
    text-align: center;
}
footer ul {
    list-style-type: none;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    padding-bottom: .5rem;
}
footer a {    
    text-decoration: none;
    color: var(--dark-teal);
    font-size: 1rem;
    font-style: italic;
    text-align: center;
    padding: 3px 10px;
}
.return-home {
    width: max-content;
    padding: .1em .5em;
    background-color: var(--button-background); 
    box-shadow: 5px 5px 5px var(--button-shadow);   
}
.return-home a {
    text-decoration: none;
    color: var(--stage-text);
    font-style: italic;
}
footer a:focus, footer a:hover, .return-home a:focus, .return-home a:hover {
    text-decoration: underline;
}
h1, h2, #game-stage {
    color: darkgreen;
}
h2 {
    font-size: 2rem;
    text-align: center;
}
#btn-grp {
    padding: 1rem 0 2rem;
}
button {
    margin-left: .75rem;
    margin-right: .75rem;
    padding: .5rem .5rem;
    font-size: 1.15rem;
    background-color: var(--button-background);
    border: none;
    border-radius: 10px;
    box-shadow: 5px 5px 5px var(--button-shadow);
    cursor: pointer;
}
button:hover, button:focus {
    background-color: var(--button-action);
}
button:active {
    box-shadow: none;
    position: relative;
    top: 2px;
    left: 2px;
}
img {
    width: 5em;
}
#rock-btn img {
    rotate: 90deg;
}
#game-stage {
    height: 13ch;
}
#stage-el, #result-el {
    text-align: center;
    font-size: 2rem;
}
#stats-grp {
    width: 25ch;
    margin-left: auto;
    margin-right: auto;
    padding: .75rem;
    background-color: var(--stats-background);
    color: var(--stats-text);
    box-shadow: 5px 5px var(--stats-shadow);
}
#stats-grp p {
    font-size: 1.25rem;
    font-weight: 700;
}