* {
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

.header {
    width: 100%;
    height: 400px;
    background-image: url('../img/python.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.container {
    height: 400px;
    top: 0;
    position: absolute;
    color: #fff;
    opacity: .8;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.container p {
    width: 80%;
    margin: 0 auto;
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

a {
    text-decoration: none;
    font-size: 20px;
    color: #fff;
    margin-top: 10px;
}

.button {
    width: 100px;
    height: 30px;
    border: 1px solid #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #333;
    padding: 5px 20px;
    opacity: .9;
    transition: opacity .4s ease-out;
}

.button:hover {
    opacity: 1;
}

.center {
    padding: 50px;
    text-align: justify;
}

.text {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    text-align: center;
    color: #333;
    margin: 20px 0;
}

.text h3 {
    padding: 0px;
}

.text-xp {
    display: flex;
    justify-content: space-around;
    text-align: justify;
    margin: 10px;
    padding: 10px;
}

.text-xp p {
    width: 40vw;
}

.cards {
    height: 100%;
    padding: 20px;
    background: #333;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.card {
    width: 300px;
    display: flex;
    flex-direction: column;
    background: #fff;
    padding: 10px;
    margin: 10px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}

.card h3 {
    text-align: center;
    margin: 10px;
}

.card p {
    text-align: justify;
    padding: 10px;
}

.card button {
    margin: 20px;
    height: 50px;
    border: none;
    background: rgb(136, 133, 133);
    color: #333;
    font-size: 1rem;
    cursor: pointer;
}

.card button:hover {
    background-color: #333;
    color: #fff;
}

.card-footer {
    width: 30%;
    padding: 50px;
    margin: 20px;
    background-color: #fff;
    color: #333;
    border: 1px solid #fff;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}

.card-footer h3 {
    text-align: center;
    margin-bottom: 20px;
}

.card-footer p {
    text-align: justify;
    margin-bottom: 20px;
}