body {
    background-color: black;
}
h1 {
    font-size: 2rem;
    font-family: sans-serif;
    color: blue;
    text-align: center;
}
.joroma {
    height: 70vh;
    margin-left: auto;
    margin-right: auto;
    display: block;

}
button {
    font-size: 3rem;
    font-family: sans-serif;
    color: white;
    background-color: black;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

*{
  text-decoration: none;
}
.navbar{
  background: rgb(0, 0, 0); font-family: calibri; padding-right: 15px;padding-left: 15px;
}
.navdiv{
  display: flex; align-items: center; justify-content: space-between;
}
.logo a{
  font-size: 35px; font-weight: 600; color: white;
}
li{
  list-style: none; display: inline-block;
}
li a{
  color: white; font-size: 18px; font-weight: bold; margin-right: 25px;
}
button{
  background-color: black; margin-left: 10px; border-radius: 10px; padding: 10px; width: 90px;
}
button a{
  color: white; font-weight: bold; font-size: 15px;
}