html{
    height: 1000%;
    --s: 50px;
        --c: #191b22;
        --_s: calc(2 * var(--s)) calc(2 * var(--s));
        --_g: 35.36% 35.36% at;
        --_c: #0000 66%, #20222a 68% 70%, #0000 72%;
        background: radial-gradient(var(--_g) 100% 25%, var(--_c)) var(--s) var(--s) /
        var(--_s),
        radial-gradient(var(--_g) 0 75%, var(--_c)) var(--s) var(--s) / var(--_s),
        radial-gradient(var(--_g) 100% 25%, var(--_c)) 0 0 / var(--_s),
        radial-gradient(var(--_g) 0 75%, var(--_c)) 0 0 / var(--_s),
        repeating-conic-gradient(var(--c) 0 25%, #0000 0 50%) 0 0 / var(--_s),
        radial-gradient(var(--_c)) 0 calc(var(--s) / 2) / var(--s) var(--s) var(--c);
        background-attachment: fixed;
}
body{
    margin: 0;
    padding: 0;
    text-align: center;
}

@layer top, bottom;


@layer bottom {
.topbar{
    background-color: rgba(21, 21, 21, 0.95);
    display: flex;
    justify-content: space-evenly;
    vertical-align: center;
    padding: 15px;
    position: sticky;
    z-index: 1;
    top: 0px;
    bottom: 0px;

}
#icon{
    font-size: 40px;
    color: rgb(255, 255, 255);
    padding-top: 10px;
    text-shadow: 3px 3px 5px rgba(255, 255, 255, 0.7);
}
#icon:hover{
    color: lightblue;
    text-shadow: 4px 4px 6px rgba(173, 216, 230, 0.9);
}
#nadpis{
    font-size: 60px;
    color: lightblue;
    margin: -1px;
    text-shadow: 3px 3px 5px rgba(173, 216, 230, 0.7);
}
}


.first{
    margin-top: -54px;
    background-image: url(fresh-coffee-steams-wooden-table-close-up-generative-ai.jpg);
    background-position: center;
    background-attachment: fixed;
    background-size: cover;
    height: 10%;
    text-align: center;
    padding-top: auto;
    padding-bottom: auto;
}
.content1{
    position: relative;
    top: 30%;
}
#nadpis2{
    font-size: 80px;
    color: white;
    text-shadow: 5px 5px 10px rgba(255, 255, 255, 0.7);
}
#butn{
    padding-top: 10px;
    padding-bottom: 10px;
    border: 3px solid white;
    background-color: rgba(0, 0, 0, 0.0);
    width: 400px;
    margin: 20px;
    box-shadow: 0px 0px 10px rgb(255, 255, 255);
    text-shadow: 2px 2px 5px rgb(255, 255, 255);
    
}
#butn:hover{
    border: 3px solid lightblue;
    box-shadow: 0px 0px 10px rgba(173, 216, 230, 0.7);
    text-shadow: 2px 2px 5px rgba(173, 216, 230, 0.7);

}
a.main{
    color: white;
    text-decoration: none;
    font-size: 40px;
}
a.main:hover{
    color: lightblue;
}
.second{
    margin-top: -16px;
    background-color: rgba(21, 21, 21, 0.6);
    height: 30%;
}


.onas{
    padding: 10px;
    height: auto;
    color: white;
}
#honas{
    font-size: 60px;
    text-shadow: 5px 5px 10px rgba(255, 255, 255, 0.7);
}
#ponas{
    font-size: 25px;
    text-shadow: 2px 2px 5px rgba(255, 255, 255, 0.7);
}
.menu{
    padding-left: auto;
    padding-right: auto;
    height: auto;
    color: white;
    text-align: left;
    margin: 3%;

}
#hmenu{
    text-align: center;
    font-size: 60px;
    text-shadow: 5px 5px 10px rgba(255, 255, 255, 0.7);
}

.dropdownb{
    position: relative;
    display: inline-block;
  }
  
  .dropdown-contentb{
    display: none;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.0);
    width: 100px;
    background-color: rgba(21, 21, 21, 0.95);
    z-index: 1;
    font-size: 40px;
  }
  
  .dropdownb:hover .dropdown-contentb{
    display: block;
  }

  .dropbutton{
    color: white;
    display: block;
    margin-bottom: 5px;
    padding: 10px;
    width: 100%;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.0);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 20px;
  }
  .dropbutton:hover{
    color: lightblue;
    text-shadow: 2px 2px 5px rgba(173, 216, 230, 0.7);
  }

a.drop{
    color: white;
    text-decoration: none;
}
a.drop:hover{
    color: lightblue;
}

.menucontent{
    display: flex;
    flex-direction: row;
}




  .dropdown {
    display: inline-block;
    justify-content: space-around;
    margin: 1.4%;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;

    z-index: 1;
    width: fit-content;
  }
  
  .dropdown:hover .dropdown-content {
    display: block;
  }

  #buttondrop1{
    text-shadow: 5px 5px 10px rgba(173, 216, 230, 0.6);
    color: white;
    display: block;
    margin-bottom: 5px;
    padding: 10px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.0);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 40px;

  }
  #buttondrop1:hover{
    color: lightblue;
    text-shadow: 2px 2px 5px rgba(173, 216, 230, 0.7);
  }
  
  .buttondrop{
    color: white;
    display: block;
    margin-bottom: 5px;
    padding: 10px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.0);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 20px;
  }
  .buttondrop:hover{
    color: lightblue;
    text-shadow: 2px 2px 5px rgba(173, 216, 230, 0.7);
  }

  #nazev{
    color: white;
  }

  #popis{
    color: white;
  }