body {
    margin: 0;
    background-color: lightgray;
}

#header_div {
    margin-top: 0;
    padding-top: 1%;
    padding-bottom: 1%;
    background-color: gray;
}

#linelogo {
    width: 2%;
    height: 2%;
}

#top {
    font-family: 'Helvetica Neue', sans-serif;
    text-align: center;
    font-weight: 700;
    color: rgb(172, 2, 2);
}

#parent_div {
    display: flex;
    justify-content: space-evenly;
    margin-top: 5%;
}

#card_01 {
    width: 20rem;
    height: 30rem;
    background-image: url(./images/card_01.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;  
    border-radius: 15px;
    box-shadow: 0 5px 10px black;
}

#content_card_01 {
    color: whitesmoke;
    padding-left: 4%;
    margin-top: 85%;
    font-weight: 300;
    font-family: 'Helvetica Neue', sans-serif;
}

#card_02 {
    width: 20rem;
    height: 30rem;
    background-color: aquamarine;
    background-image: url(./images/card_2.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 15px;
    box-shadow: 0 5px 10px black;
}

#content_card_02 {
    color: whitesmoke;
    padding-left: 4%;
    margin-top: 57%;
    font-family: 'Helvetica Neue', sans-serif;
    font-weight: 300;
}

#card_03 {
    width: 20rem;
    height: 30rem;
    background-color: rgb(194, 185, 185);
    border-radius: 15px;
    box-shadow: 0 5px 10px black;
}

#VISA {
    margin-top: 7%;
    margin-left: 10%;
}

#signature {
    width: 16rem;
    height: 11rem;
}

#content_card_03 {
    color: whitesmoke;
    padding-left: 4%;
    margin: 0%;
    font-family: 'Helvetica Neue', sans-serif;
    font-weight: 300;
}

button {
    width: 100px;
    height: 50px;
    font-family: 'Helvetica Neue', sans-serif;
    font-weight: 500;
    border-radius: 20px;
    border: none;
}

#last_div {
    margin-top: 7%;
    margin-left: 34%;
}

#last_image {
    width: 50%;
    height: 20%;
}