html{
  background-image: url("../bg.jpg");
}
* {
    box-sizing: border-box;
  }
  
  body {
    font-family: Tahoma, sans-serif;
  }
  #strona{
    min-height: 100%; 
    justify-content: center;
    padding-left: 10px;
    padding-right: 10px;
    align-items: center;
    color: white;
}
  header {
    padding: 30px;
    text-align: center;
    font-size: 35px;
    color: white;
    border-radius: 20px 20px 20px 20px;
    border: solid 3px #00ff90;
    transition: 0.5s;
  }
  header:hover{
    box-shadow: 0px 0px 10px #00ff90;
    transition: 0.5s;
  }
  header h2{
    color: #eeeeee;
  }
  #header{
    transition: 0.5s;
    font-size: 90px;
    font-family: Tahoma, sans-serif;
    font-weight: 600;
  }
  /* Create two columns/boxes that floats next to each other */
  nav {
    float: left;
    width: 100%;
    padding: 20px;
  }
  nav h1{
    text-shadow: 0px 0px 6px rgba(0, 0, 0, 1);
  }
  nav h1 a{
    color:#272727;
    font-weight: bold;
  }
  
  /* Style the list inside the menu */
  nav ul {
    list-style-type: none;
    padding: 5px;
  }
  nav ul li{
    padding: 10px;
    display: inline-block;
  }
  nav ul li a{
    color: #272727;
    font-weight: bold;
    background-color: #88A79A;
    padding: 10px;
    border-radius: 50px;
    border: 1px solid #88A79A;
    text-decoration: none;
    transition: 0.5s;
    display: inline-block;
  }
  nav ul li a:hover{
    color: #00ff90;
    font-weight: bold;
    background-color: #272727;
    padding: 1vh;
    border-radius: 50px;
    border-color: #00ff90;
    text-decoration: none;
    transition: 0.5s;
    display: inline-block;
    box-shadow: 0px 0px 4px #00ff90;
  }
  
  article {
    float: left;
    width: 50%;
    color: #eeeeee;
    padding-bottom: 3%;
    padding: 20px;
  }
  
  /* Clear floats after the columns */
  section::after {
    content: "";
    display: table;
    clear: both;
  }
  footer {
    background-color: #00ff90;
    padding: 10px;
    text-align: center;
    color: #272727;
    font-weight: bold;
    border-radius: 20px 20px 20px 20px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
  }
  .hidden{
    display: none
  }
  @media (max-width: 600px) {
    nav, article {
      width: 100%;
      height: auto;
    }
    header {
      background-color: transparent;
      padding: 30px;
      text-align: center;
      font-size: 35px;
      color: white;
      border-radius: 20px 20px 20px 20px;
    }
    header h2{
      color: #eeeeee;
    }
    article p{
      color: #eeeeee;
      font-size: 15px;
      text-shadow: 0px 0px 6px rgba(0, 0, 0, 1);
    }
    article p a{
      color: #00ff90;
      font-weight: bold;
    }
    #header{
      font-size: 50px;
    }
    
  }
  #titleh2{
    color: #00ff90;
    font-size: 75px;
    padding-bottom: 0px;
    text-shadow: 0px 0px 30px rgba(66, 68, 90, 1);
  }
  article p{
    color: #eeeeee;
    font-size: 25px;
    text-shadow: 0px 0px 6px rgba(0, 0, 0, 1);
  }
  article p a{
    color: #00ff90;
    font-weight: bold;
  }
  * {
    scrollbar-width: auto;
    scrollbar-color: #00ff90;
  }
  *::-webkit-scrollbar {
    width: 12px;
  }

  *::-webkit-scrollbar-track {
    background: #272727;
  }

  *::-webkit-scrollbar-thumb {
    background-color: #00ff90;
    border-radius: 10px;
  }

.polecenie{
  background-image: url(polecenie_bg.jpg);
  border-radius: 70px;
  color:#eeeeee;
  padding-left: 4%;
  padding-right: 4%;
  transition: 0.5s;
  border: 2px solid #00ff90;
  display: block;
}
.polecenie h2{
  font-size: 30px;
}
.polecenie p{
  padding-top: 0;

}
.polecenie:hover{
  transition: 0.5s;
  -webkit-box-shadow: 0px 0px 24px 0px rgba(0, 255, 144, 1);
  -moz-box-shadow: 0px 0px 24px 0px rgba(0, 255, 144, 1);
  box-shadow: 0px 0px 24px 0px rgba(0, 255, 144, 1);
  cursor: pointer;
  color: #00ff90;
  font-size: 30px;
  text-shadow: 1px 5px 6px #272727;
}
#last {
  clear: both;
  width: 100%;
  color: #eeeeee;
  padding-bottom: 3%;
  padding: 20px;
}
#last .polecenie{
  width: 50%;
  margin-left: 25%;
  margin-right: 25%;
}
.main_title{
  text-shadow: 0px 0px 5px rgba(0, 0, 0, 1);
}
#polecenia{
  height: auto;
  margin-bottom: 100px;
}
.popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 85vh;
  transform: translate(-50%, -50%);
  padding: 15px;
  background: rgba(39, 39, 39, 0.9);
  border: 2px solid #00ff90;
  border-radius: 40px;
  box-shadow: 0 0 12px rgba(0, 255, 144, 1);
  z-index: 1000;
  overflow-y: auto;
}
.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}
.close-btn {
  position: absolute;
  top: 3%;
  right: 4%;
  cursor: pointer;
}
.popup h2{
  font-size: 2em;
}
.popup p{
  font-size: 1.5em;
}
.popup p a:hover{
  color: #00aa60;
}
.popup img{
  border-radius: 25px;
  border: 2px solid #00ff90;
  transition: 0.3s;
}
.popup img:hover{
  box-shadow: 0 0 5px rgba(0, 255, 144, 1);
  transition: 0.3s;
  cursor: pointer;
  transform: scale(1.05);
}
.container{
  height: 100%;
  overflow-y: auto;
  border-radius: 20px;
  padding: 20px;
}