* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: Arial, sans-serif; 
  }
  
  ol, ul {
    list-style: none;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  table {
    border-collapse: collapse; 
  }
  
  button {
    background: none;
    border: none; 
    cursor: pointer;
  }
  
  input, textarea {
    border: none; 
    outline: none;
  }