index.css

html,
body {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

/* Root related */

#root {
    display: flex;
    margin: 0;
    padding: 0;
    border: none;
    background-color: black;
    /*width: 100vw;*/
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    flex-direction: column;
    justify-content: space-between;
    align-content: center;
}

/* Modal related */

#modal {
    display: none;
}

/* Alert related */

#alerts {
    display: none;
    position: fixed;
    height: 80px;
    width: 150px;
    top: 20px;
    right: 20px;
    display: flex;
    justify-content: center;
    align-content: center;
    padding: 10px;
    z-index: 0;
}

#alert-text {
    height: 20px;
}

#alert-text span {
    text-align: center;
    margin: auto;
    line-height: 20px;
}

.danger {
    background-color: #ffdddd;
    border-left: 6px solid #f44336;
}

.success {
    background-color: #ddffdd;
    border-left: 6px solid #4CAF50;
}

.info {
    background-color: #e7f3fe;
    border-left: 6px solid #2196F3;
}


.warning {
    background-color: #ffffcc;
    border-left: 6px solid #ffeb3b;
}

/* Grid */

#grid-wrap {
    margin: 0 auto;
    width: 100vw;
    /*resize: vertical;*/
    overflow-x: auto;
    overflow-y: hidden;
    box-sizing: border-box;
    z-index: 1;
}

#grid {
    background-color: rgb(20, 20, 20);
    display: table;
    border: 2px solid rgb(100, 100, 100);
    height: auto;
    overflow: auto;
    border-collapse: collapse;
    margin: 5px auto;
    table-layout: fixed;
}

.grid-row {
    height: 66px;
}

.grid-column {
    border: 1px solid white;
    padding: 5px;
    color: white;
    width: 66px;
    text-align: center;
    cursor: pointer;
    font-family: monospace;
    position: relative;
    transition: all 0.8s;
}

.grid-column:hover {
    background: #202020;
}

.grid-column div {
    display: flex;
    flex-shrink: 8;
    flex-wrap: wrap;
    margin: 0 auto;
    text-align: center;
}

.grid-column div span {
    text-align: center;
    width: 100%;
}

/* Particle/orb related */
.circle {
	display: block;
	background: black;
	border-radius: 50%;
	margin: 1px;
	z-index: 0;
	/*position: absolute;*/
}

.ball .shadow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0) 50%);
    transform: rotateX(90deg) translateZ(-150px);
    z-index: -1;
}

.red-sphere {
	background: radial-gradient(circle at 100px 100px, red, #555555);
}

.green-sphere {
    background: radial-gradient(circle at 100px 100px, green, #555555);
}

.blue-sphere {
	background: radial-gradient(circle at 100px 100px, blue, #555555);
}

.yellow-sphere {
    background: radial-gradient(circle at 100px 100px, yellow, #555555);
}

.cyan-sphere {
    background: radial-gradient(circle at 100px 100px, cyan, #555555);
}

.magenta-sphere {
    background: radial-gradient(circle at 100px 100px, magenta, #555555);
}

.white-sphere {
    background: radial-gradient(circle at 100px 100px, white, #555555);
}

.violet-sphere {
    background: radial-gradient(circle at 100px 100px, violet, #555555);
}

.slateblue-sphere {
    background: radial-gradient(circle at 100px 100px, slateblue, #555555);
}

.tomato-sphere {
    background: radial-gradient(circle at 100px 100px, tomato, #555555);
}

.dodgerblue-sphere {
    background: radial-gradient(circle at 100px 100px, dodgerblue, #555555);
}

.lightgray-sphere {
    background: radial-gradient(circle at 100px 100px, lightgray, #555555);
}

.one-p {
	width: 30px;
	height: 30px;
}

.two-p {
	width: 25px;
	height: 25px;
}

.three-p {
	width: 23px;
	height: 23px;
}

/* Shaking animation */
.slow-shake {
    /* Start the shake animation and make the animation last for 0.5 seconds */
    animation: shake 2.2s;

    /* When the animation is finished, start again */
    animation-iteration-count: infinite;
}

.shake {
    /* Start the shake animation and make the animation last for 0.5 seconds */
    animation: shake 0.5s;

    /* When the animation is finished, start again */
    animation-iteration-count: infinite;
}

@keyframes shake {
    0% {
        transform: translate(1px, 1px) rotate(0deg);
    }

    10% {
        transform: translate(-1px, -2px) rotate(-1deg);
    }

    20% {
        transform: translate(-3px, 0px) rotate(1deg);
    }

    30% {
        transform: translate(3px, 2px) rotate(0deg);
    }

    40% {
        transform: translate(1px, -1px) rotate(1deg);
    }

    50% {
        transform: translate(-1px, 2px) rotate(-1deg);
    }

    60% {
        transform: translate(-3px, 1px) rotate(0deg);
    }

    70% {
        transform: translate(3px, 1px) rotate(-1deg);
    }

    80% {
        transform: translate(-1px, -1px) rotate(1deg);
    }

    90% {
        transform: translate(1px, 2px) rotate(0deg);
    }

    100% {
        transform: translate(1px, -2px) rotate(-1deg);
    }
}

/* Settings related */

#settings {
    width: 100%;
    height: 50px;
    padding: 5px;
    margin: 0;
    display: flex;
    justify-content: center;
    align-content: center;
}

.button {
    border: none;
    padding: 10px;
    cursor: pointer;
    background-color: yellow;
    outline: none;
    font-family: monospace;
}

.button:hover {
    background: lightgrey;
}

#turn-info {
    padding: 10px;
    font-family: monospace;
}

.undo {
    margin: 0 auto;
    background-color: white;
    color: black;
    font-size: 18px;
    width: 130px;
    border-radius: 25px;
    text-decoration: none;
    height: 20px;
    margin-bottom: 5px;
    margin-top: -10px;
    transition: background-color 0.8s, color 0.8s;
    -webkit-transition: background-color 0.8s, color 0.8s;
    -moz-transition: background-color 0.8s, color 0.8s;
    -o-transition: background-color 0.8s, color 0.8s;
}

.undo:hover {
    background-color: #3c213c;
    color: white;
    cursor: pointer;
}

/* Chatbox related */

#chatbox {
    min-height: 100px;
    box-sizing: border-box;
    background: whitesmoke;
    padding: 20px;
    display: flex;
    /*flex-direction: column;*/
    flex-shrink: 3;
    position: relative;
    overflow: auto;
}

#chat-list-wrap {
    width: 68%;
    height: 150px;
    margin: 0;
    position: relative;
    padding: 5px;
    overflow-y: auto;
    overflow-x: hidden;
}

#chat-list {
    width: 100%;
    position: absolute;
    margin: 0;
    list-style: none;   
    padding: 0 0 0 0;
}

/*#chat-list li {
    text-decoration: none;
}*/

#chat-input-wrap {
    width: 30%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-shrink: 3;
    justify-content: center;
    align-items: center;
    position: relative;
}

#chat-input {
    width: 100%;
    border: none;
    outline: none;
    border-bottom: 2px solid dodgerblue;
    margin: 0;
    padding: 5px;
    overflow: hidden;
}

.receipt-cont {
    margin-bottom: 1px;
}

.receipt {
    font-family: "Courier New", Courier, monospace;
    font-size: 10px;
    background-color: lightgrey;
    margin-bottom: 1px;
    border-radius: 5px;
    padding: 2px;
}

.not-my-msg-cont {
    margin-top: 8px;
    margin-bottom: 3px;
    word-wrap: break-word;
}

.not-my-msg {
    background-color: lightblue;
    padding: 5px;
    border-radius: 5px;
    margin-bottom: 1px;
    overflow-wrap: break-word;
    font-size: 14px;
    /*border-bottom: white solid 1px;*/
}