*{
    box-sizing: border-box;
}

root{

}

body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: cadetblue;
    margin: 0px;
    padding: 0px;
}

header{
    display: grid;
    grid-template-columns: 70% 30%;
    background-color: cadetblue;
    color: azure;
    text-align: center;
}

main{
    width: 80%;
    margin: auto;
    background-color: white;
    color: rgb(54, 54, 54);
    border-radius: 15px;
    padding: 30px;
}

main ul{
    list-style: none;
    margin: 0px;
    padding: 0px;
}

main ul li{
 margin: 10px;
 border-bottom: 1px solid cadetblue;
}

#avisos{
    width: 75%;
    font-size: 1.3;
    margin: auto;
    padding: 10px;
    text-align: center;
    font-size: 1.3;
    font-weight: bold;
    border: 1px solid rgb(54, 54, 54);
}

.acierta{
    color: green;
}

.falla{
    color: brown;
}
.boton{
    background-color: rgb(42, 98, 100);
    color: white;
    border-radius: 4px;
    border: 0px;
    padding: 6px;
    font-size: 1.2em;
    display: block;
    margin: auto;
}