* {
    padding: 0;
    margin: 0;
    font-family: 'Roboto';
    box-sizing: border-box;

    --square: 1.5rem;

    --hold-width: calc(6*var(--square));
    --hold-height: calc(4*var(--square));
    
    --matrix-width: calc(10*var(--square));
    --matrix-height: calc(20*var(--square));

    --queue-width: calc(6*var(--square));
    --queue-height: calc(16*var(--square));
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    width: 100vw;
    background-color: bisque;
}

#title {
    padding: 0.2rem;
    margin: 1rem;
    color: pink;
    text-shadow: -1px 0 black,
                 1px 0 black,
                 0 -1px black,
                 0 1px black;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;

    width: 100%;
}

.card {
    padding: 1rem;
    background-color: pink;
    border-radius: 1rem;
}

#game {
    display: flex;
    justify-content: center;

    gap: 1rem;

    width: 100%;
}

.board {
    display: flex;
    flex-wrap: wrap;
    box-sizing: content-box;
    border: 1px solid darkgray;
}

#game-hold {
    width: fit-content;
    height: fit-content;
}
#hold {
    width: var(--hold-width);
    height: var(--hold-height);
}

#game-main {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
#matrix {
    width: var(--matrix-width);
    height: var(--matrix-height);
}

#game-queue {
    width: fit-content;
    height: fit-content;
}
#queue {
    width: var(--queue-width);
    height: var(--queue-height);
}

square {
    display: flex;
    justify-content: center;
    align-items: center;

    width: var(--square);
    height: var(--square);
    border: 1px solid darkgray;
    background-color: black;
    color: white;
}

#info {
    display: flex;
    justify-content: space-between;
    align-items: center;

    width: var(--matrix-width);
}

#score {
    font-size: 1.2rem;
}
#menu {
    display: flex;
    justify-content: space-around;
    /* width: 100%; */
    width: var(--matrix-width);
    /* width: calc(1rem + var(--matrix-width)); */
    /* width: calc(2rem + var(--matrix-width)); */
}

#menu.card {
    padding: 0.5rem;
}

#menu > button {
    width: 5rem;
    height: 2rem;
    border-radius: 5px;
}


.t {
    background-color: violet;
    /* background-color: blueviolet; */
}
.i {
    background-color: cyan;
}
.o {
    background-color: gold;
}
.l {
    background-color: orange;
}
.s {
    background-color: lime;
    /* background-color: greenyellow; */
}
.j {
    background-color: blue;
}
.z {
    background-color: red;
    /* background-color: orangered; */
}