body{
    margin: 0;
    padding: 0;
    
    color: white;
    font-family: Arial, Helvetica, sans-serif;
background-image: url(images/fondoo.jpg);

background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;

    height: 100vh;
}

.contenedor{
    background: #1e1e1e;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    width: 450px;

    box-shadow: 0px 0px 20px rgba(0,0,0,0.5);
}

h1{
    margin-bottom: 20px;
}

#pantalla{
    font-size: 45px;
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.botones button{
    padding: 10px 18px;
    margin: 5px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

.botones button:hover{
    transform: scale(1.05);
}

#btnInicio{
    background: #00b894;
    color: white;
}

.botones button:nth-child(2){
    background: #d63031;
    color: white;
}

.botones button:nth-child(3){
    background: #0984e3;
    color: white;
}

ul{
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

ul li{
    background: #2d3436;
    margin: 8px 0;
    padding: 10px;
    border-radius: 8px;

    display: flex;
    justify-content: space-between;
    align-items: center;
}

.borrar{
    background: red;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}