* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    
  }
  
  header {
    background-color: #333;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
  }
  
  header h1 {
    font-size: 2rem;
  }
  
  nav ul {
    display: flex;
    list-style: none;
  }
  
  nav li {
    margin: 0 1rem;
  }
  
  nav a {
    color: #fff;
    text-decoration: none;
  }
  
  nav a:hover {
    text-decoration: underline;
  }
  
  main {
    padding: 2rem;
  }
  
  section {
    margin-bottom: 2rem;
  }
  
  section h2 {
    margin-bottom: 1rem
  }
  .container-grile{
    display: flex;
    justify-content: space-around;
  }
  iframe{
    width: 1000px;
    min-height: 96%;
  }
  
  .container{
    max-width: 40% !important;
    position: absolute;
    top: 50%;
    left:50%;
    transform: translate(-50%, -50%);
    border-style: solid;
    border-width: 0.5px;
    border-radius: 1rem;
    border-color: #888888;
    background-color: rgb(247, 247, 247);
    
  }
  .btn{
    margin-top: 20px;
  }
  .log{
    padding:12%;
  }
  
  @media only screen and (max-width: 1000px){
    .container{
      max-width: 100% !important;
      border-style: none;
      background-color: white
      
    }
    .log{
      padding: 5%;
    }
  }
  @media only screen and (max-width: 1600px){
    .container{
      max-width: 70% !important;
      
    }
    .log{
      padding: 5%;
    }
  }
 .confirmare{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 30px;
 }
 .button-nav{
  margin-top: 0px !important;
 }
 td{
  padding-right: 10px;
 }