Webtris/themes/Kubow/style.css

/* source: https://github.com/kubowania/Tetris */

:root {
    /* default font size in browsers is 16px = 1em, we make
     things easier for us and make 10px our base size.
     We have 10/16 = 0.625 = 1rem as it is set on root element.
     So 1rem is now 10px throughout our stylesheet.*/
    font-size: 0.625em;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Montserrat", sans-serif;
    font-size: 1.6rem;
    margin: auto;
    max-width: 60rem;
    color: #d8edea;
    background: radial-gradient(
        circle,
        rgba(175, 196, 174, 1) 0%,
        rgba(104, 204, 191, 1) 89%,
        rgba(94, 191, 178, 1) 100%
    );
}

h1 {
    text-align: center;
    margin: 1rem;
    letter-spacing: 1.5rem;
}

section {
    margin: 1em;
}

div {
    display: flex;
    justify-content: center;
    align-items: center;
}

#settingsSection {
    width: auto;
}

fieldset, #statsTable, #leaderboard {
    margin-top: 1rem;
    background: #f0f0f0;
    background-image: linear-gradient(#d0d0d0, #f0f0f0);
    border: 0;
    border-radius: 5px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5) inset, 0 1px 0 #fff;
    color: #85796b;
}

legend, #leaderboard caption {
    font-size: 0.9em;
    color: #d8edea;
    transform: translate(0, -0.6em);
}

fieldset > div {
    display: grid;
    grid-template-columns: 3fr 2fr 3fr 2fr;
    grid-column-gap: 1em;
    grid-row-gap: 1em;
    justify-items: right;
    align-items: center;
}

fieldset > div > * {
    width: 100%;
}

label {
    text-align: right;
}

button,
input[type="number"],
select {
    text-transform: uppercase;
    position: relative;
    width: 22rem;
    height: 2.2rem;
    text-align: center;
    color: #fff;
    letter-spacing: 1px;
    text-decoration: none;
    line-height: 23px;
    font-size: 10px;
    display: block;
    text-shadow: -1px -1px 0 #a84155;
    background: #d25068;
    border: 1px solid #d25068;
    width: 12rem;
    background-image: linear-gradient(to bottom, #f66c7b, #d25068);
    border-radius: 5px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(255, 255, 255, 0.1) inset, 0 4px 0 #ad4257,
    0 4px 2px rgba(0, 0, 0, 0.5);
}

button:before,
input[type="number"]:before,
select:before {
    background: #f0f0f0;
    background-image: linear-gradient(#d0d0d0, #f0f0f0);
    border-radius: 5px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5) inset, 0 1px 0 #fff;
    position: absolute;
    content: "";
    left: -6px;
    right: -6px;
    top: -6px;
    bottom: -10px;
    z-index: -1;
}

button:active,
select:active {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(255, 255, 255, 0.1) inset;
    top: 5px;
}

button:active:before,
input[type="number"]:active:before,
select:active:before {
    top: -11px;
    bottom: -5px;
    content: "";
}

button:hover,
input[type="number"]:hover,
select:hover {
    background: #f66c7b;
    background-image: linear-gradient(top, #d25068, #f66c7b);
}

#themePreviewTable {
    grid-column: 3 / 5;
    width: auto;
}

fieldset input[type="checkbox"] {
    width: auto;
}

#showGhostDiv {
    grid-row: 2;
    grid-column: 1/5;
    width: 100%;
}

#gameSection div {
    display: grid;
    grid-gap: 3vmin;
}

#holdTable {
    grid-column: 1;
    grid-row: 1;
    justify-self: end;
}

#matrixTable {
    grid-column: 2;
    grid-row: 1 / 4;
}

#messageSpan {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: 4vmin;
    text-align: center;
    text-shadow: 1px 1px rgba(153, 145, 175, 0.5);
}

#nextTable {
    grid-column: 3;
    grid-row: 1 / 4;
}


.minoes-table {
    table-layout: fixed;
    border-spacing: 0;
    margin: auto;
}

th, td {
    font-weight: normal;
    padding: 0;
    height: 2rem;
    width: 2rem;
    background: transparent;
    border: 0;
}

.I {
    background-image: url(images/blue_block.png);
}

.J {
    background-image: url(images/navy_block.png);
}

.L {
    background-image: url(images/peach_block.png);
}

.O {
    background-image: url(images/yellow_block.png);
}

.S {
    background-image: url(images/green_block.png);
}

.T {
    background-image: url(images/purple_block.png);
}

.Z {
    background-image: url(images/pink_block.png);
}

.locked {
    background: #f0f0f0;
    border: 3px outset rgba(255, 255, 255, 0.2);
}

.cleared-line {
    background: white;
}

.trail {
  border-top: 0 !important;
  border-bottom: 0 !important;
  border-left: 3px solid rgba(255, 255, 255, 0.2) !important;
  border-right: 3px solid rgba(125, 125, 125, 0.2) !important;
  background: rgba(255, 255, 255, 0.1) !important;
}

.ghost {
  border: 3px outset rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  color: rgba(255, 255, 255, 0.9);
}

#statsTable {
    grid-column: 1;
    grid-row: 2;
    color: rgb(133, 121, 107, 0.5);
    padding-top: 1rem;
    font-size: 1.2rem;
}

#statsTable td {
    text-align: center;
    border: 0; 
    font-size: 2.3rem;
    color: rgb(133, 121, 107, 0.5);
}

footer {
    position: absolute;
    left: 50%;
    bottom: 1em;
    transform: translateX(-50%);
}

a {
    text-decoration: none;
    color: lightblue;
}

#credits {
    font-size: 0.8em;
    gap: 0.8em;
}

#leaderboard {
    margin: auto;
}

#leaderboard td {
    margin: auto;
    padding-left: 1rem;
    text-align: center;
}

#leaderboard td:first-child{
    text-align: left;
}

#leaderboard td:last-child {
    text-align: right;
}