body{
  
    background-attachment: fixed;
}
nav{
    margin: 15px;
    padding: 5px;


}
a{
    color:white;
    text-decoration: none;
    background-color: rgb(13, 43, 211);
    text-align: center;
    margin: 8px;
    padding: 5px;
   
    border-radius: 6px;
    box-shadow: 3px 3px 4px rgba(117, 3, 3, 0.541);
    letter-spacing: 2px;
}
a:visited{
    background-color: rgb(197, 64, 15);
    color: rgb(10, 93, 247);
}
a:active{
    background-color: darkred;
    color: blue;
}
a:hover{
    color: black;
}
p{
    background-color: rgb(62, 121, 230);
   
    border-radius: 8px;
}
ul{
    background-color: rgb(62, 121, 230);
    
    border-radius: 8px;
}
ol{
    background-color: rgb(62, 121, 230);
   
    border-radius: 8px;
}
h1{
    background-color: blue;
    
    text-align: center;
    border-radius: 8px;
}
button{
    text-align: center;
    align-items: center;

}
.caja{
    position: relative;
    top: 100px;
    bottom: 0px;
    right: 100px;
    left: 1200px;
}
 header {
            text-align: center;
            background-color: #3869a0;
            color: white;
            padding: 10px 0;
        }
        footer{
            background-color: rgb(104, 237, 255);
            color: #3869a0;
            text-align: center;
            padding: 15px;
            margin-top: 40px;
        }
        th{
            font-family:Georgia, 'Times New Roman', Times, serif;
        font-size: 20px;
        }
        .wdxl-lubrifont-tc-regular {
            font-family: "WDXL Lubrifont TC", sans-serif;
            font-weight: 400;
            font-style: normal;
          }