html, body {
    height: 100%;
    margin: 0;
  }
  body {
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
  }
 
  button {
    
  
    border: none;
    border-radius: 4px;
 
    font-size: 20px;
    font-weight: bold;
    padding-left:20px;
    padding-right: 20px;
    color: rgb(0, 0, 0);
    cursor: pointer;
    border: solid black 1px;
    background:white;
   
}

a{
  
  border: none;
  border-radius: 4px;
  text-decoration: none;
  font-size: 20px;
  font-weight: bold;
  padding-left:20px;
  padding-right: 20px;
  color: rgb(0, 0, 0);
  cursor: pointer;
  border: solid black 1px;
  background:white;
 
}