Babylon.js/Playground/index.css

html, body {
    overflow: hidden;
    width: 100%;
    height: 100%;
    background-color: #272822;
}

x-splitbox {
    position: absolute;
    left: 0px;
    top: 50px;
    width: 100%;
    bottom: 40px;
    height: auto;
}

    x-splitbox > [splitter]:after {
        display: none;
    }


#jsEditor {
    min-width: 250px;
}

#canvasZone {
    min-width: 250px;
    height: 100%;
}

#renderCanvas {
    width: 100%;
    height: 100%;
    touch-action: none;
}

ul#scriptsList {
    overflow-y: auto;
    height: 600px;
    -webkit-column-count: 3;
    -moz-column-count: 3;
    column-count: 3;
    padding: 10px
}

#fpsLabel {
    position: absolute;
    right: 10px;
    top: 70px;
    cursor: default;
}

#topbar {
    padding: 5px;
}

.navbar .brand {
    margin-left: 0px;
}

#errorZone {
    position: absolute;
    width: 50%;
    left: 25%;
    bottom: 40px;
}

#statusBar {
    padding: 10px 15px 10px;
    color: #999;
}

@media (max-width: 800px) {
    .desktopOnly {
        display: none !important;
    }
}

@media (max-width: 1100px) {
    .largeOnly {
        display: none !important;
    }
}

@media (max-width: 550px) {
    .btn-group > .btn, .btn-group > .dropdown-menu, .btn-group > .popover {
        font-size: 12px !important;
    }
}

/* MONACO */
.monaco-editor .container:before, .monaco-editor .row:before {
    content: "";
    display: inherit;
}

.monaco-editor .container:after, .monaco-editor .row:after {
    clear: inherit;
}

.monaco-editor .container {
    width: auto;
    margin: inherit;
    padding: inherit;
}

.monaco-editor .close {
    float: none;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    color: inherit;
    text-shadow: inherit;
    opacity: inherit;
    filter: inherit;
}

.monaco-editor .row {
    margin: inherit;
}

.monaco-editor .invisible {
    visibility: visible;
}


/* Save form & co */

.save-message {
    display: none;
    float: left;
    width: 100%;
    background-color: rgba(0,0,0,.5);
    text-align: center;
    color: white;
    font-size: 1.1em;
    line-height: 2em;
}

.save-layer {
    display: none;
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    background-color: rgba(120,120,120,.5);
    text-align: center;
}
.save-layer .save-form {
    position: absolute;
    top: 150px;
    left: calc(50% - 205px);

    width: 410px;
    height: 390px;
    padding-top: 15px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;

    background-color: rgba(27,27,27,0.75);/*#1b1b1b;*/
    background-image: -moz-linear-gradient(top,rgba(34,34,34,.75),rgba(17,17,17,.75));
    background-image: -webkit-gradient(linear,0 0,0 100%,from(rgba(34,34,34,.75)),to(rgba(17,17,17,.75)));
    background-image: -webkit-linear-gradient(top,rgba(34,34,34,.75),rgba(17,17,17,.75));
    background-image: -o-linear-gradient(top,rgba(34,34,34,.75),rgba(17,17,17,.75));
    background-image: linear-gradient(to bottom,rgba(34,34,34,.75),rgba(17,17,17,.75));
    background-repeat: repeat-x;
    border-color: #252525;
    color: white;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
}
.save-layer .save-form .separator {
    width: 350px;
    border-bottom: 1px solid #999;
    margin: auto;
    margin-top: -6px;
    margin-bottom: 10px;
}
.save-layer .save-form .save-form-buttons {
    margin-top: 10px;
}
.save-layer .save-form input, .save-layer .save-form textarea {
    width: 350px;
}