style.css

html, body {
    width:  100%;
    height: 100%;
    margin: 0;
}
/* Load the font PressStart2P-Regular.ttf */
@font-face {
    font-family: 'Press Start 2P';
    src: url('fonts/PressStart2P-Regular.ttf');
}
body {
    font-family: 'Press Start 2P';
    background-color: #000000;
    color: #ffffff;
}
.pagetitle {
    padding: 10px;
    padding-bottom: 0px;
    font-size: 0.75em;
    position: absolute;
    top: 0;
    left: 0;
}
a {color: rgb(255, 0, 255);text-decoration: none;}
a:hover {color: rgb(255, 121, 255);}
a:active, a:hover:active {color: rgb(255, 179, 255);}
#gameDiv { /*game canvas*/
    border: 1px solid #ffffff;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -0%);
    -webkit-touch-callout: none; /* iOS Safari */
        -webkit-user-select: none; /* Safari */
        -khtml-user-select: none; /* Konqueror HTML */
        -moz-user-select: none; /* Old versions of Firefox */
            -ms-user-select: none; /* Internet Explorer/Edge */
                user-select: none;
    margin-top: 15px;
}
#infoParent, #modParent, #settingsParent, .menuParent {
    display: none;
}
#infoScreen, #modManager, #settingsMenu, .menuScreen {
    border: 1px solid #ffffff;
    position: absolute;
    left: 50%;
    transform: translate(-50%, 28%);
    width: 95%;
    height: 50%;
    max-width: 700px;
    padding: 10px;
    background-color: rgb(31, 31, 31);
    overflow-x: hidden;
}
.menuTitle {
    font-size: 1.5em;
    text-decoration: underline;
}
.menuText {
    margin-top: 5px;
    line-height: 1.5em;
}
#infoText {
    white-space: pre-wrap;
}
.XButton {
    position: absolute;
    right: 0px;
    top: 0px;
    font-size: 2em;
    background-color: rgb(100, 33, 33);
    padding:5px;
    text-align:center;
    border: 1px solid #ffffff;
}
.XButton:hover {
    background-color: rgb(200, 33, 33);
}
#infoSearch, #modManagerUrl {
    position: absolute;
    bottom: 50%;
    width: 95%;
    max-width: 700px;
    height: 50px;
    left: 50%;
    transform: translate(-50%, 198.5%);
    background-color: rgb(66, 66, 66);
    color: white;
    font-size: 1.5em;
    padding: 8px;
    font-family: 'Press Start 2P';
}
#infoSearch:focus, #modManagerUrl:focus {
    outline: none;
}
/*#modManagerAdd {
    position: absolute;
    bottom: 25%;
    right: 25%;
    height: 50px;
    width: 50px;
    transform: translate(-25%, -25%);
    background-color: rgb(0, 190, 32);
    color: white;
    font-size: 2em;
    padding: 10px;
    font-family: 'Press Start 2P';
}*/
#modManagerList {
    margin-top: 20px;
}
#modManagerList li {
    list-style-type: none;
    position: relative;
}
#modManagerList li::before {
    content: '•';
    position: absolute;
    left: -1.5em;
    font-size: 1em;
    font-family: 'Press Start 2P';
}
.removeModX {
    color: red;
    cursor: pointer;
}
.removeModX:hover {
    color: rgb(255, 107, 107);
}
.infoLink {
    color: rgb(116, 140, 221);
    cursor: pointer;
    text-decoration: underline;
}
button, input[type="submit"], input[type="reset"] {
    background: none;
    color: inherit;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
}
.usingTab button:focus {
    filter: brightness(75%);
    outline: none;
}
#underBox {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -0%);
    margin-top: 10px;
    width: 100%;
}
#controls button {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 1em;
    text-shadow: 0.5px 1px 4px #000000;
    color: rgba(255, 255, 255, 0.75);
    border: 1px solid #797979;
    margin: 0px 5px 5px 5px;
    font-variant: small-caps;
}
#controls button.bright {
    text-shadow: 0.5px 1px 4px #ffffff;
    color: rgba(0, 0, 0, 0.75);   
}
/*Darken when active*/
#controls button:active, #controls button:active:hover {
    filter: brightness(60%);
}
#controls button:hover {
    filter: brightness(90%);
}
#controls button:disabled {
    cursor: not-allowed;
}
#controls button[current="true"], #controls button[on="true"] {
    border: 1px solid #ffffff;
    filter: brightness(110%);
    box-shadow: 0 5px 15px rgba(255, 255, 255, .4);
    color: rgba(255, 255, 255, 1);
}
#controls button.bright[current="true"] {
    color: rgba(0, 0, 0, 1);
}
#controls button[on="true"] {
    border-color:lime;
    color:lime;
}
#controls div {
    display:block;
}
.stat {
    margin-right: 25px;
    margin-bottom: 5px;
    float:right;
}
#stats {
    margin: 0px 5px 5px 5px;
    font-size: 0.75em;
    height: 2em;
    width:100%;
}
/* screen size < 700px */
@media screen and (max-width: 700px) {
    #stats {padding-bottom:2em;}
    .pagetitle {
        font-size: 1em;
        padding-left: 0.25em;
    }
}
/* screen size > 1325px, h1::after {content:" Sandboxels"} */
@media screen and (min-width: 1325px) {
    .pagetitle::after {content:" Sandboxels"}
}
#stat-pos, #stat-pixels, #stat-shift, #stat-tps, #stat-ticks, #stat-view {
    float:left;
}
.categoryName {
    font-size: 0.75em;
    text-transform: uppercase;
    margin-left: 5px;
    vertical-align: middle;
}
#extraInfo {
    margin:5px
}
#toolControls, #category-tools {
    white-space: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    position: absolute;
}

/* Scrollbars */

#toolControls, #category-tools, #categoryControls, #elementControls {
    scrollbar-color: rgba(255, 255, 255, 0.25) rgba(255, 255, 255, 0.1);
    scrollbar-width: thin;
}

@media screen and (max-width: 700px) {
    #toolControls, #category-tools, #categoryControls, #elementControls {
    margin-bottom: 200px !important;
    }
}

#toolControls::-webkit-scrollbar, #category-tools::-webkit-scrollbar, #categoryControls::-webkit-scrollbar, #elementControls::-webkit-scrollbar {
    width: 5px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.15);
}
#toolControls::-webkit-scrollbar-thumb, #category-tools::-webkit-scrollbar-thumb, #categoryControls::-webkit-scrollbar-thumb, #elementControls::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.25);
    border-radius: 5px;
}
#toolControls::-webkit-scrollbar-track, #category-tools::-webkit-scrollbar-track, #categoryControls::-webkit-scrollbar-track, #elementControls::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}
#toolControls::-webkit-scrollbar-thumb:hover, #category-tools::-webkit-scrollbar-thumb:hover, #categoryControls::-webkit-scrollbar-thumb:hover, #elementControls::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

#toolControls {
    margin-top: -3.5em;
    z-index: 3;
}
#category-tools {
    margin-top: -1.5em;
    z-index: 2;
}
.category {
    padding-top: 3em;
}
#categoryControls {
    margin-top: 0.5em;
    margin-bottom: 5px;
    background-color: rgba(255, 255, 255, 0.125);
    white-space: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    position: absolute;
    z-index: 1;
    padding-bottom:1px;
}
#categoryControls button {
    /* Borderless buttons */
    border: none;
    border-radius: 0;
    padding-right: 8px;
    margin: 0;
    padding-top: 5px;
    padding-bottom: 5px;
    display: inline-block;
    position: relative;
    z-index:0;
}
#categoryControls button:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.4);
}
#categoryControls button[current="true"] {
    border: none;
    background-color: rgba(255, 255, 255, 0.4);
}
.category {
    margin-top:3.1em;
    position:relative;
    display:flex;
    flex-direction: column;
    flex-wrap:wrap;
    text-align:center;
}
button, input { /*Disable double tap zoom on mobile devices*/
    touch-action: manipulation;
}
select {
    background-color: black;
    vertical-align: middle;
    margin-left: 5px;
    margin-right: 5px;
    border: white 0.5px solid;
    border-radius: 20px;
    padding: 0.5em;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
}
.settingsButton {
    background-color: black;
    vertical-align: middle;
    margin-left: 5px;
    margin-right: 5px;
    border: white 0.5px solid;
    border-radius: 20px;
    padding: 0.5em;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
}
#canvasDiv {
    position:relative;
}
#colorSelector {
    position:absolute;
    bottom:1em;
    right:1em;
    display: none;
}
.categoryButton.notify {
    background-color: rgba(255, 0, 0, 0.25);
}
/* .elementButton.notify with a red glow */
.elementButton.notify {
    -webkit-box-shadow: 0px 0px 15px 5px #FF0000; 
    box-shadow: 0px 0px 15px 5px #FF0000;
}
.noselect {
    -webkit-touch-callout: none; /* iOS Safari */
      -webkit-user-select: none; /* Safari */
       -khtml-user-select: none; /* Konqueror HTML */
         -moz-user-select: none; /* Firefox */
          -ms-user-select: none; /* Internet Explorer/Edge */
              user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
}
.setting-span {
    display:block;padding-bottom:0.5em
}