body {
    font-family: 'Times New Roman', Times, serif; 
    text-align: center;
    color: #333;
    padding: 20px;
}

h1, h2, h3 {
    text-transform: uppercase;
    font-weight: bold;
    margin-bottom: 5px;
}

h1 {
    font-size: 2.2em;
}

h2 {
    font-size: 1.5em;
    margin-bottom: 25px;
}

h3 {
    font-size: 1.2em;
    margin-top: 30px;
    margin-bottom: 15px;
}

p {
    margin: 5px 0;
}


button {
    background-color: transparent; 
    color: black;
    border: 1px solid #666; 
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    border-radius: 3px;
    transition: background-color 0.3s, border-color 0.3s;
    width: 280px; 
    margin: 5px auto; 
    display: block; 
}

button:hover {
    background-color: #f0f0f0;
    border-color: #333;
}


.parcial3-btn {
    background-color: #6650ff; 
    color: white;
    border-color: #6650ff;
    font-weight: bold;
}

.parcial3-btn:hover {
    background-color: #503ed8;
    border-color: #503ed8;
}


a {
    text-decoration: none; 
    display: block;
}