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

/* navigation bar */
nav {
    /* border: 2px solid pink; */
    position: fixed;
    display: flex;
    justify-content: space-between;
    height: 70px;
    width: 100%;
    font-size: medium;
    font-weight: 540;
    font-stretch: semi-expanded;
    background-color: black;
    padding-top: 2px;
}

.right {

    display: flex;
    align-items: center;
    margin-right: 30px;


}

.left {

    display: flex;
    align-items: center;
    margin-left: 0;

}

.left div,
.right div {
    margin: 10px;

}

button {
    color: white;
    background-color: black;
    border-color: white;
    border-width: thin;
    font-size: large;
    padding: 6px;
    margin-left: 15px;
    border-radius: 0px;
}

.logo {
    margin-left: 25px;
    margin-right: 90px;
}

/* .parent */
.parent {
    /* border: 2px solid green; */
    display: flex;
    flex-direction: column;
    height: auto;
    background-color: black;
}

/* child1 */
.child1 {
    /* border: 2px solid purple; */
    display: flex;
    flex-direction: column;
    align-items: left;
    margin: 307px 0px 0px 0px;
    padding: 0px 0px 30px 230px;



}

.child1 h1 {
    font-size: 160px;
    font-weight: lighter;
    margin: 0;
    padding: 0px;

}

.child1 p {
    font-size: 30px;
    margin-top: 5px;
    margin-left: 10px;
}

/* child2 */
.child2 {
    /* border: 2px solid rgb(25, 193, 236); */
    display: flex;
    margin: 0px 0px 100px 205px;
    padding: 0px 20px 20px 20px;
    align-items: center;

}

.GPTlink {
    text-decoration: underline;
    margin-left: 20px;

}

/* child3 */
.child3 {
    display: flex;
}

.child3 img {
    margin: 0px 0px 85px 23px;
}

/* child4 */
.child4 {
    display: flex;
    justify-content: space-between;
    border-top: 2px solid;
    margin: 0px 25px 0px 25px;
    border-width: thin;
    padding-bottom: 70px;

}

.child4 .big {
    margin-top: 20px;
    font-weight: lighter;
    font-size: 48px;
    font-family: Georgia, 'Times New Roman', Times, serif;

}

.child4 .small {
    font-size: 28px;

}

/* child5 */
.child5 {
    display: flex;
    flex-direction: column;
    border-top: 2px solid;
    border-width: thin;
    margin: 0px 25px 0px 25px;
    padding: 0;

}

.child5 p {
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 50px;
    margin-top: 10px;
    margin-left: 0;
}

.child5 img {
    margin-top: 45px;
    margin-bottom: 120px;
}

/* child6 */
.child6 {
    display: flex;
    flex-direction: column;
    border-top: 2px solid;
    border-width: thin;
    margin: 0px 25px 0px 25px;
    padding: 0;


}

.child6 p {
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 50px;
    margin: 10px 0px 100px 0px;
}

.child6 .img {
    display: flex;
    justify-content: space-between;
}

.dalle2 {
    display: flex;
    flex-direction: column;
}

.dalle3 {
    display: flex;
    flex-direction: column;
}

figcaption {
    font-size: 12px;
    margin-top: 10px;
}

/* child7 */
.child7 {
    background-color: #0000FF;
    margin-top: 100px;
    padding: 0px 25px 0px 25px;
    display: flex;
    flex-direction: column;
}

.child7 .div1,
.div2 {
    border-top: 1px solid white;
    display: flex;


}

.div1 {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 51px;
    line-height: 61px;
    margin: 100px 0px 42px 0px;

}

.div1 p {
    margin-top: 5px;
}

.child7 h1 {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-weight: lighter;
    font-size: 48px;
    margin-top: 5px;
}

.div2 {
    justify-content: space-between;
}

.div2 p {
    font-size: 28px;
    line-height: 34px;
    margin-top: 9px;
}

.div3 {
    margin: 70px 0px 90px 0px;
}

/* child8 */
.child8 {
    background-color: black;
    margin: 100px 25px 0px 25px;
}

.child8 div {
    display: flex;

}

.d1,
.d4 {
    border-top: 0.5px solid white;

}

.d1 h1,
.d4 h1 {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-weight: lighter;
    font-size: 48px;
}

.d1 p,
.d4 p {
    font-size: 28px;
    line-height: 34px;

}

.d2,
.d3 {
    border-top: solid #333333;
    border-width: 0.01px;
}

.d2 h1,
.d3 h1 {
    font-size: 28px;

}

.d2 p,
.d3 p {
    font-size: 18px;
    line-height: 23px;

}

.d1 p {
    margin-left: 292px;
}

.d2 p {
    margin-left: 215px;
}

.d3 p {
    margin-left: 436px;
}

.d4 p {
    margin-left: 307px;
}

.child8 div h1 {
    margin-top: 10px;
}

.child8 div p {
    margin-top: 10px;
    margin-bottom: 90px;
}

/* child9 */
.child9 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    
}

.c {
    display: flex;
    flex-direction: column;
    gap: 15px;
}