body {
    background: linear-gradient(to bottom, #ffffff, #ffffff);
    height: 100vh;
    font-family: Arial, sans-serif;
    
  
  }
  
  #modal{
  
      position: fixed; 
      z-index: 999; 
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
     
  }
  
  #modalContent{
  
    position: absolute; 
    z-index: 999; 
    left: 30%;
    top: 20%;
    width: 40%; 
    height: 40%; 
    background-color: #ffffff;
    border-width: 4px;
    border-style: solid;
    border-color: #09152b;
   
  }
  
  #modalSpan{
    position: absolute; 
    z-index: 999; 
    left: 1%;
    top: 35%;
    font-size: 200%;
    font-weight: bolder;
    color: #000000;
  
    text-align: center;
  }
  
  main {
    position: absolute;
    top: 10%;
    left: 0%;
  
    width: 1980px;
    height: 1000px;
    margin: 0%;
    overflow:hidden;
    
   
  }
  
  
  #mainHeader{
    position: absolute;
    top: 0%;
    left: 0%;
    width: 1980px;
    height: 10%;
    background-color: #ffffff; 
  }
  
  #logo{
    position: absolute;
    width: 15%;
    height: 110%;
    cursor: pointer;
    
    left: 19%;
    top: 0%;

    scale: 80%;
    
  }
  #logoRe{
    width: 32%;
    height: 100%;
    padding-left: 3%;
    
    
  }
  
  .buttonsHeader{
     
    width: 4%;
    height: 30%;
    border: none;
    font-size: 16px;
    cursor: pointer;
  
    background-color: #fcfdfd; 
    color: rgb(0, 0, 0);
  
    border-radius: 10px 10px 10px 10px;
  
    
  }
  
  .buttonsHeader:hover {
    background-color:rgb(142, 137, 222);
    color: rgb(245, 245, 245);
  }
  
  #buttonHome{
    position: absolute;
    top: 45%;
    z-index: 999; 
    left: 80%;
  }

  
  #buttonPerfil{
    position: absolute;

    top: 45%;
    z-index: 999; 
    left: 75%;

  }

  #menuDiv_buttons{
    width: 1980px;
    height: 1000px;
    border: none;
    font-size: 120%;
  
    position: absolute;
    top: 0%;
    z-index: 998; 
    left: 0%;
    background: white;
    color: rgb(3, 3, 3);
  
    
  }
  
  #notaDiv{
    width: 1980px;
    height: 1%;
    border: none;
    
    padding-left: 1%;
    padding-top: 2%;
  
    position: absolute;
    top: 0%;
    z-index: 999; 
    left: 0%;
    background-color: #011627;
  
    
  }

  #imgNota{
    position: absolute;
    left: 0%;
    top: 15%;
    z-index: 1002;
    height: 10%;
    width: 6%;
  
    cursor: pointer;
  }
  
  .hidden{
    display: none;
  }
  
  .disabled-button {
    background-color: grey;
    color: white;
    border: none;
    cursor: not-allowed;
    opacity: 0.6;
  }