html {
  min-height: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: Arial, Helvetica, sans-serif;
  height: 100%;
  background-color: #f3fff8;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-image: url("https://thesis.science.upjs.sk/~frantisek_kurimsky/bckgr.png");
}
.header {
  width: 100%;
  height: 40px;
  
  top: 0px;
  background-color: #ffffff;
  position: fixed;
  padding: 20px 0;
  display: flex;
  flex-direction: row;
  justify-content: right;
  padding-right: 90px;
}
.button {
  border-radius: 15px;
  background-color: transparent;
  border-color: transparent;
  font-family: Arial, Helvetica, sans-serif;
  color: #1f3857;
  font-size: 13px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 10px;
  margin-right: 10px;
}
.button:hover {
  background-color: #496f9e23;
  cursor: pointer;
  transition-duration: 0.5s;
}
.content {
  font-family: Arial, Helvetica, sans-serif;
  color: #148642;
  border-radius: 10px;
  width: 91%;
  min-height: 100%;
  margin: 80px 0;
  background-color: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-left: 20px;
  padding-right: 20px;
}
.title {
  margin-top: 90px;
  color: #148642;

}

.title2 {
  margin-top: 70px;
  color: #0c4222;

}
.session {
  color: #148642;
  padding-top: 50px;
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
h3 {
  text-align: center;
  align-items: center;
  color: #148642;
}

li {
  text-align: center;
  color: #0c4222;
  align-items: center;
  max-width: 500px;
  margin-bottom: 15px;
  justify-content: center;
}
a {
  text-decoration: none;
  color: #0c4222;
}

a:hover {
}

p {
  max-width: 80%;
}