su-collab/style.css

body {
    background-color: #222;
    margin: 0;
    font-family: sans-serif;
    color: white;
    overflow: hidden;
}

#viewer {
    width: 100vw;
    height: 100vh;
    background-color: #222;
    background-image: url("image/su.png");
    background-repeat: no-repeat;
    background-size: auto;
    background-position: center;
    image-rendering: pixelated;
}

.r6o-editor {
	z-index: 3;
	height: auto;
}

.r6o-widget.comment {
	font-size: 1.5em;
	background-color: #333
}

.r6o-editor .r6o-arrow:after {
	background-color: #333;
	border: 3px white solid;
}

.r6o-editor .r6o-editor-inner .r6o-widget {
	border: 3px white solid;
}

.r6o-editor .r6o-editor-inner {
	background-color: transparent !important;
}

.r6o-footer {
	display: none;
}

div {
    color: white;
}

a {
    color: white;
    font-weight: bold;
}

#here-now {
    position: fixed;
    bottom: 0;
    left: 0;
    font-size: 1.5vh;
    color: white;
    padding: 15px;
    z-index: 2;
}

#question {
    font-size: 3vh;
    width: 3vh;
    height: 3vh;
    position: fixed;
    bottom: 0;
    right: 0;
    background-color: #333;
    color: #fff;
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    margin: 10px;
}

#question img {
    max-width: 100%;
    height: auto;
    display: block;
}

#modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 3;
}

#banner {
        max-width: 100%;
}
#modal {
    display: none;
    font-size: 18pt;
    position: fixed;
    top: 50%;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    left: 50%;
    transform: translate(-50%, -50%);
    justify-content: center;
    border-radius: 1rem;
    box-shadow: 0 0 10px 10px #000;
    background-color: #333;
    align-items: center;
    z-index: 4;
    width: 80%;
    height: 80%;
    overflow-y: auto;
}

#modal-content {
    position: relative;
    padding: 33px;
    text-align: center;
    max-height: 100%;
    font-size: 15pt;
}

@keyframes animateBg {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100% 0;
    }
}

.rainbow {
    background: linear-gradient(90deg, #f1672b, #fea419, #efd515, #89d842, #35c2f9, #9b5fe0, #ff68cf, #f1672b, #fea419, #efd515, #89d842, #35c2f9, #9b5fe0, #ff68cf, #f1672b, #fea419, #efd515, #89d842, #35c2f9, #9b5fe0, #ff68cf, #f1672b);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    animation: animateBg 5s infinite linear;
    background-clip: text;
    color: transparent;
}

#close-button {
    position: absolute;
    font-size: 3rem;
    top: 15px;
    right: 30px;
    cursor: pointer;
    width: 3vh;
    height: 3vh;
    background-color: #333;
    color: #fff;
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    margin: 10px;
}

#open-button {
    cursor: pointer;
}

@media screen and (max-width: 1081px) {
	#viewer {
		width: 100vw;
		height: 66vh;
	}
	#modal-content {
	    font-size: 20pt;
	}
}