body {
    margin: 0;
    font-family: 'Prompt', sans-serif;
}

section {
    height: 100vh;
    width: 100%;
    display: flex;
}

img {
    width: 50%;
    height: 100vh;
}

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

.half {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

ol, #title ul {
    padding: 0 20%;
}

/* title section css */
#title h1 {
    font-size: 70px;    
    font-weight: 600;
    margin-bottom: 0;
}

#title h2 {
    font-style: italic;
    font-size: 20px;
    font-weight: 300;
}

/* list section css */
#lists {
    background-color: rgb(15 125 129);
    color: white;
}

#lists .half {
    flex-direction: column;
}

#lists h2 {
    font-size: 40px;
    margin: 0 0 2% 0;
}

#lists h3 {
    margin: 0;
}

#lists ul {
    padding: 0 20%;
    list-style-type: disc;
}

#lists p {
    padding: 0 18%;
    margin-bottom: 0;
    text-align: center;
    font-size: 14px;
}

.list_title {
    list-style-type: none;
    margin: 5% 0 1% 0;
    font-size: 18px;
    font-weight: bold;
} 

/* step section css */
.photo_grid {
    display: flex;
    flex-wrap: wrap;
    width: 50%;
}

.photo_grid li {
    width: 50%;
    height: 50vh;
}

.photo_grid img {
    width: 100%;
    height: 50vh;
}