@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;
}
nav{
 position: fixed;
 left: 0;
 top: 0;
 width: 100%;
 height: 75px;
 background: #2980b9;
 box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}
nav .navbar{
 display: flex;
 align-items: center;
 justify-content: space-between;
 height: 100%;
 max-width: 90%;
 background: #2980b9;
 margin: auto;
}
nav .navbar .logo a{
  color: #fff;
  font-size: 27px;
  font-weight: 600;
  text-decoration: none;
}
nav .navbar .menu{
  display: flex;
}
.navbar .menu li{
  list-style: none;
  margin: 0 15px;
}
.navbar .menu li a{
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
}
main{
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  color: #96c7e8;
  font-size: 24px;
  flex-direction: column;
  margin-top: 115px;
}
.button a{
  position: fixed;
  bottom: 20px;
  right: 20px;
  color: #fff;
  background: #2980b9;
  padding: 7px 12px;;
  font-size: 18px;
  border-radius: 6px;
  box-shadow: rgba(0, 0, 0, 0.15);
}
div.alert {
  background: #FFDDEE;
  font-size: 20px;
  font-style: italic;
}

div.welcome{
  color: #fff;
  font-size: 20px;
  font-style: italic;
}
table, th, td {
  border: 1px solid black;
  border-collapse: collapse;
  padding: 4px;
}