body {
  margin: 0;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
  background: #FFFC00;
  cursor: move;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}
.logo {
  display: inline-block;
  height: 64px;
  width: 64px;
  position: fixed;
  left: 24px;
  bottom: 24px;
  background: url('../images/logo.png') no-repeat center;
  background-size: 100% 100%;
  cursor: pointer;
  transition: all .5s ease-in-out;
}
.logo:hover {
  transform: rotate(360deg);
}
.title {
  font-size: 45px;
  position: fixed;
  top: 0;
  color: #FFFFFF;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, .25), 2px 2px 2px rgba(0, 0, 0, .3);
  text-align: center;
  width: 100%;
}
.title::before {
  display: inline-block;
  content: '';
  width: 49px;
  height: 36px;
  background: url('../images/arrow.png') no-repeat center;
  background-size: 100% 100%;
  vertical-align: middle;
  margin-right: 24px;
  animation: bounceLeft 5s ease-in-out infinite;
  animation-fill-mode: both;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, .25));
}
.title::after {
  display: inline-block;
  content: '';
  width: 49px;
  height: 35.9px;
  background: url('../images/arrow.png') no-repeat center;
  background-size: 100% 100%;
  vertical-align: middle;
  margin-left: 36px;
  animation: bounceRight 5s ease-in-out infinite;
  animation-fill-mode: both;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, .25));
}
@keyframes bounceLeft {
  0% {
    transform: translateX(0)
  }
  50% {
    transform: translateX(-20px)
  }
  100% {
    transform: translateX(0)
  }
}
@keyframes bounceRight {
  0% {
    transform: rotate(180deg) translateX(20px)
  }
  50% {
    transform: rotate(180deg) translateX(0)
  }
  100% {
    transform: rotate(180deg) translateX(20px)
  }
}
.mask {
  position: fixed;
  height: 100%;
  width: 100%;
  background: rgba(0, 0, 0, .25);
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: center;
}
.mask .modal {
  width: 52%;
  background: rgba(255, 255, 255, .5);
  filter: drop-shadow(1px 1px 55px rgba(0, 0, 0, .25));
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 16px;
  margin: 0 auto;
  border: 1px groove #EFEFEF;
}
.mask .modal p {
  font-size: 14px;
  color: #000000;
  line-height: 2;
  text-align: justify;
  text-align-last: left;
  word-break: break-all;
}
.mask .modal p b {
  color: #FFFC00;
  text-shadow: 0px 1px 1px rgba(0, 0, 0, .25);
  font-weight: normal;
}
.mask .modal button {
  -webkit-appearance: none;
  height: 36px;
  width: 120px;
  background: #FFFC00;
  outline: none;
  border: none;
  border-radius: 36px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: #000000;
}
.mask .modal button:hover {
  background: #dee758cc;
}