body,
td,
th,
tr,
p,
a {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  font-weight: 450;
  color: #3f3f3f;
  line-height: 1.25;
}

a {
  color: #000000;
  font-weight: 450;
  text-decoration: none;
}

a:focus,
a:hover {
  color: #5c5b61;
  text-decoration: none;
}

strong {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  color: #000000;
}

astrong {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  color: #4e4e4e;
  font-weight: 600;
}

authors {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  color: #7e7d7d;
}

heading {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 25px;
  font-weight: 600;
  color: #000000;
}

papertitle {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 16px;
  font-weight: 600;
  color: #000000;
}

name {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 40px;
  font-weight: bold;
  color: #000000;
}

summary {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  color: #000000;
}

details {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 15px;
  color: #000000;
}


.one {
  width: 160px;
  height: 160px;
  position: relative;
}

.two {
  width: 160px;
  height: 160px;
  position: absolute;
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

.fade {
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

.posterbutton {
  cursor: pointer;
  color: #000000;
  font-weight: 450;
  text-decoration: none;
}


.buttona {
  cursor: pointer;
}

#copynotice {
  position: fixed;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #008002;
  color: white;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 12px;
  transition: opacity 0.3s ease-in-out;
  z-index: 3;
}

#wechatimg {
  position: fixed;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #ffffff;
  border-color: #000000;
  border-style: solid;
  border-width: 5px;
  color: rgb(255, 255, 255);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 12px;
  transition: opacity 0.3s ease-in-out;
  z-index: 2;
}

.hidden {
  display: none;
}