:root {
    --font-mono: 'Courier New', Courier, monospace;
    --mobile-font-size: 1em;
    --desktop-font-size: 0.9em;
}


body {
    font-family: var(--font-mono);
    font-size: var(--desktop-font-size);
}

.container {
    display: grid;
    grid-template-columns: 1fr 10fr;
    grid-template-areas: 'header header' 'selector content';
}

header {
    grid-area: header;
    border: 2px solid orange;
    padding:30px;
    margin: 5px;
    border-radius: 5px;
}

.content, header {
    padding: 30px;
    margin: 5px;
    border-radius: 5px;
}

.selector-container {
    grid-area: selector;
    padding: 0px;
}

.selector-items {
    list-style: none;
    text-align: center;
    padding: 5px;
    margin: 5px;
}

.selector-items a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: #0089a8;
}
.selector-items a:hover {
    background: #ffe15c;
}

.si1, .si2 {
    height: 100px;
}

.si1 {
/*    border: 2px solid #0089a8; */
    box-shadow: 2px 2px #00b1d9;
    margin-bottom: 5px;
}

.si2 {
/*    border: 2px solid cadetblue; */
    box-shadow: 3px 3px cornflowerblue;
    margin-bottom: 5px;
}

.content {
    grid-area: content;
/*    border: 2px solid green; */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

input {
    min-width: 300px;
    border: none;
    box-shadow: 1px 1px cornflowerblue;
}

input:focus {
    outline: none;
}

canvas#canvas_square
{
    /* border: 1px solid grey; */
    image-rendering: auto;
}

@media (max-width: 768px)
{
    body {
        font-size: var(--mobile-font-size);
    }
}