body {
    margin: 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: white;
}

main {
    flex: 1;
}

/* adding decorative stripes to the very top of the page */
.topborder_black {
    background-color: black;
    height: 25px;
    flex-shrink: 0;
}

.topborder_blue {
    background-color: #19469e;
    height: 5px;
    flex-shrink: 0;
}

/* making edits to the top navigation bar */
.topnav {
    background-color: white;
    overflow: hidden;
    width: 100%;
    flex-shrink: 0;
    height: 135px;
}

.topnav a {
    float: left;
    line-height: 100px;
    color: black;
    text-align: left;
    padding: 15px 65px;
    text-decoration: none;
    font-size: 23px;
    font-family: "Trebuchet MS";
}

.topnav a:hover {
    color: #51588c;
}

/* making edits to the bottom navigation bar */
footer {
    background-color: #061d4a;
    height: 300px;
    flex-shrink: 0;
}

footer a {
    float: left;
    color: white;
    text-align: left;
    padding: 10px 45px;
    text-decoration: none;
    font-size: 15px;
    font-family: "Trebuchet MS";
}

footer a:hover {
    color: #b8cffc;
}

footer img {
    padding: 25px 0px 0px 0px;
}

footer .footer_links {
    display: flex;
    flex-direction: column;
    flex-align: right;
    padding: 25px 0px;
}

.header_main {
    margin: 0;
    text-align: left;
    font-size: 65px;
    background:
        /* linear-gradient(to right, rgba(202, 203, 217, 0.75), rgba(255, 255, 255, 0)), */
        url("images/IV_drip.jpg") no-repeat top center;
    background-size: cover;
    padding: 100px 0px 0px 100px; /* top right bottom left */
    font-family: "Trebuchet MS";
}

.header_main h1 {
    margin: 0; /* removes the default h1 margin */
}

.header_main .subtext {
    margin: 0;
    text-align: left;
    font-size: 25px;
    padding: 0px 0px 100px 0px;
}

.header {
    padding: 75px;
    text-align: center;
    background-color: #b8cffc;
    font-size: 75px;
    font-family: "Gill Sans", "Trebuchet MS";
}

.p1 {
    padding: 50px 200px;
    font-size: 25px;
    font-family: "Trebuchet MS";
    text-align: justify;
}

/* working on the meet the team formatting */
.img_team_center {
    display: flex;
    align-items: flex-start;
    gap: 50px;
    padding: 50px 250px 0px;
}

.img_team_center img {
    border: 5px solid #b8cffc;
    width: 100%;
}

.img_team_center .text {
    width: 100%;
}

.img_team_center .name {
    font-size: 35px;
    font-family: "Trebuchet MS";
}

.img_team_center .title {
    font-size: 25px;
    font-family: "Trebuchet MS";
    color: #51588c;
}

.img_team_center .description {
    font-size: 20px;
    font-family: "Trebuchet MS";
    padding: 25px 0px;
}

.img_team_column {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 25px 100px;
}

.img_team_column img {
    border: 5px solid #b8cffc;
    width: 100%;
}

.img_team_column .text {
    width: 100%;
}

.img_team_column .name {
    font-size: 35px;
    font-family: "Trebuchet MS";
}

.img_team_column .title {
    font-size: 25px;
    font-family: "Trebuchet MS";
    color: #51588c;
}

.img_team_column .description {
    font-size: 20px;
    font-family: "Trebuchet MS";
    padding: 25px 0px 0px 0px;
}

.header_small {
    padding: 25px;
    text-align: center;
    background-color: #51588c;
    font-size: 45px;
    font-family: "Trebuchet MS";
}

.img_contributors {
    display: flex;
    align-items: flex-start;
    gap: 50px;
    padding: 25px 50px;
    justify-content: center;
}

.image_homepage {
    display: flex
    align-items: flex-start;
    gap: 25px;
    padding: 50px 50px;
    justify-content: center;
    background-color: #5f617d;
    font-size: 25px;
    font-family: "Trebuchet MS";
}

.iv_equipment {
    width: 100vw;
    height: 525px;
    background: url("images/IV_Equipment_Long.jpeg") no-repeat top center;
    background-size: cover;
}

.iv_equipment .text1{
    font-family: "Trebuchet MS";
    text-align: right;
    font-size: 35px;
    padding: 180px 150px 10px 10px;
}

.iv_equipment .text2{
    font-family: "Trebuchet MS";
    font-weight: 700;
    text-align: right;
    font-size: 50px;
    padding: 0px 175px 10px 10px;
}

.iv_diagram {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.iv_diagram .text {
    font-family: "Trebuchet MS";
    text-align: left;
    font-size: 30px;
    padding: 0px 150px 0px 50px;
}

.iv_diagram .image {
    padding: 0px 0px 0px 100px;
}

.iv_diagram .text2 {
    font-family: "Trebuchet MS";
    text-align: justify;
    font-size: 25px;
    padding: 20px 25px 50px 200px;
}

.heading {
    font-family: "Trebuchet MS";
    text-align: left;
    font-size: 50px;
    padding: 0px 0px 0px 200px;
    display: inline-block;
}

.p1_homepage {
    font-size: 20px;
    padding: 75px 200px 0px 200px;
    font-family: "Gill Sans", "Trebuchet MS";
    color: #19469e;
}

.trio_boxes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    padding: 20px 200px 50px 200px;
}

.box {
    background-color: #427ced;
    font-family: "Trebuchet MS";
    font-size: 25px;
    color: white;
    border-radius: 3px;
    aspect-ratio: 1 / 1;
    text-align: center;
    box-shadow: 2px 3px 3px #19469e;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.num_large {
    font-family: "Trebuchet MS";
    font-weight: 800;
    font-size: 60px;
    color: white;
    justify-self: center;
    align-self: center;
}

.people {
    margin-top: 15px;
}

.four_boxes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    padding: 20px 150px 100px 150px;
    height: 300px;
}

.four_box {
    background-color: white;
    font-family: "Gill Sans", "Trebuchet MS";
    font-size: 40px;
    font-weight: 700;
    text-align: center;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.header_leakage {
    padding: 100px;
    text-align: center;
    background: url("images/leakage_banner.png") no-repeat top center;
    background-color: #b8cffc;
    font-size: 75px;
    font-family: "Gill Sans";
    background-size: cover;
}

.heading_left {
    font-family: "Gill Sans", "Trebuchet MS";
    text-align: left;
    font-size: 50px;
    padding: 0px 0px 0px 200px;
    display: inline-block;
}

.subheading_left {
    font-size: 20px;
    padding: 75px 200px 0px 200px;
    font-family: "Gill Sans", "Trebuchet MS";
    color: #19469e;
}

.content_right {
    display: flex;
    justify-content: flex-end;
    flex-direction: column;
    align-items: flex-end;
}

.subheading_right {
    font-size: 20px;
    padding: 50px 200px 0px 0px;
    font-family: "Gill Sans", "Trebuchet MS";
    color: #19469e;
    text-align: right;
}

.heading_right {
    font-family: "Gill Sans", "Trebuchet MS";
    text-align: right;
    font-size: 50px;
    padding: 0px 200px 0px 0px;
    display: inline-block;
}

hr {
    border: none;
    height: 3px;
    margin: 0;
    background-color: black;
    width: 100%;
}

.leakage_content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.leakage_content .text_left {
    font-family: "Trebuchet MS";
    text-align: justify;
    font-size: 25px;
    padding: 20px 25px 0px 200px;
}

.leakage_content .image_left {
    padding: 0px 0px 0px 100px;
}

.leakage_content .text_right {
    font-family: "Trebuchet MS";
    text-align: justify;
    font-size: 25px;
    padding: 20px 200px 50px 25px;
}

.leakage_content .image_right {
    padding: 0px 0px 0px 50px;
}

.header_swelling {
    padding: 100px;
    text-align: center;
    background-color: #b8cffc;
    font-size: 75px;
    font-family: "Gill Sans";
    background-size: cover;
}

ul.arrow_bullets {
    list-style-type: none;
    padding-left: 0;
}

ul.arrow_bullets li {
  background: url('images/arrow_bullet.png') no-repeat left top;
  background-size: 25px 15px;
  padding-left: 45px;
  background-position: left 0px top 10px;
  margin-bottom: 8px;
}

.image_pair {
    display: flex;
    flex-direction: row;
    flex-align: center;
    margin: 0;
    gap: 10px;
    width: 100vw;
    justify-content: center;
    align-items: center;
}

.image_pair .a .img { /* trying to make two images span the entire width of the screen and both be links. */
    margin: 0;
    border: 10px;
    width: 100%;
}

.blue_heading {
    text-align: center;
    font-family: "Gill Sans";
    font-size: 55px;
    text-weight 500;
    color: #19469e;
    padding: 50px 0px 0px 0px;
}

.construction {
    background-color: #061d4a;
    color: white;
    font-family: "Trebuchet MS";
    font-size: 30px;
    padding: 50px 0px 50px 100px;
    display: flex;
    flex-direction: row;
    gap: 100px;
}