style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

::selection {
  color: #fff;
  background: #0e5c83;
}

body {
  background: #845ec2;
}


.select-box,
.play-board,
.result-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.select-box {
  background: #fff;
  padding: 20px 25px 25px;
  border-radius: 5px;
  max-width: 400px;
  width: 100%;
	

}
.select-box {

	-webkit-animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
	        animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;

}
/* ----------------------------------------------
 * Generated by Animista on 2021-5-17 19:9:42
 * Licensed under FreeBSD License.
 * See http://animista.net/license for more info. 
 * w: http://animista.net, t: @cssanimista
 * ---------------------------------------------- */

/**
 * ----------------------------------------
 * animation tracking-in-expand
 * ----------------------------------------
 */
@-webkit-keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}


.select-box.hide {
  display: none;
  pointer-events: none;
}

.select-box header {
  display: flex;
  justify-content: center;
  font-size: 30px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid lightgrey;
}

.select-box .title {
  display: flex;
  justify-content: center;
  font-size: 22px;
  font-weight: 500;
  margin: 20px 0;
}

.select-box .options {
  display: flex;
  width: 100%;
}

.options button {
  width: 100%;
  font-size: 20px;
  font-weight: 500;
  padding: 10px 0;
  border: none;
  background: #ff6f91;
  border-radius: 5px;
  color: #fff;
  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.options button:hover,
.btn button:hover {
  transform: scale(0.96);
}

.options button.begin {
  margin-right: 5px;
}

.select-box .credit {
  text-align: center;
  margin-top: 20px;
  font-size: 18px;
  font-weight: 500;

}

.select-box .credit a {
  color: #56baed;
  text-decoration: none;
}

.select-box .credit a:hover {
  text-decoration: underline;
}

.play-board {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.9);
}

.play-board.show {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

/* playerboard header */
.play-board .details {
  display: flex;
  justify-content: center;
  padding: 7px;
  border-radius: 5px;
  background: #fff;
}


.play-area {
  margin-top: 20px;
}

.play-area section {
  display: flex;
  margin-bottom: 1px;
}

.play-area section span {
  display: block;
  height: 90px;
  width: 90px;
  margin: 2px;
  color: #56baed;
  font-size: 40px;
  line-height: 80px;
  text-align: center;
  border-radius: 5px;
  background: #fff;
}

.result-box {
  padding: 25px 20px;
  border-radius: 5px;
  max-width: 400px;
  width: 100%;
  opacity: 0;
  text-align: center;
  background: #fff;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.9);
}

.result-box.show {
  opacity: 1;
  pointer-events: auto;
	-webkit-animation: text-focus-in 1s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
	        animation: text-focus-in 1s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
}
/* ----------------------------------------------
 * Generated by Animista on 2021-5-17 19:12:26
 * Licensed under FreeBSD License.
 * See http://animista.net/license for more info. 
 * w: http://animista.net, t: @cssanimista
 * ---------------------------------------------- */

/**
 * ----------------------------------------
 * animation text-focus-in
 * ----------------------------------------
 */
@-webkit-keyframes text-focus-in {
  0% {
    -webkit-filter: blur(12px);
            filter: blur(12px);
    opacity: 0;
  }
  100% {
    -webkit-filter: blur(0px);
            filter: blur(0px);
    opacity: 1;
  }
}
@keyframes text-focus-in {
  0% {
    -webkit-filter: blur(12px);
            filter: blur(12px);
    opacity: 0;
  }
  100% {
    -webkit-filter: blur(0px);
            filter: blur(0px);
    opacity: 1;
  }
}

.result-box .won-text {
  font-size: 30px;
  font-weight: 500;
  display: flex;
  justify-content: center;
}

.result-box .won-text p {
  font-weight: 600;
  margin: 0 5px;
}

.result-box .btn {
  width: 100%;
  margin-top: 25px;
  display: flex;
  justify-content: center;
}

.btn button {
  font-size: 18px;
  font-weight: 500;
  padding: 8px 20px;
  border: none;
  background: #ff6f91;
  border-radius: 5px;
  color: #fff;
  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

#header {
  display: flex;
  justify-content: center;
}

.cellDisabled {
  pointer-events: none;
}