* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}
html {
    scroll-behavior: smooth;
    background-color: #c2cbd6;
    color: #000000;
}
nav {
    position: fixed;
    top: 0;         
    z-index: 100;
    width: 100%;     
}
nav > ul {
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    align-items: center;
    list-style: none;
    border: 5px solid #3E7CB1;
    background-color: whitesmoke;
    color: #054A91;
    font-size: 20px;
    height: 50px;
}
a:visited , a {
    text-decoration: none;
    color: #054A91;
}
a:hover {
    font-size: 21px;
}
header {
    display: flex;
    margin-top: 150px;
}
#about_box {
    display: block;
    margin: 0 auto;
    margin-top: 100px;
    color: #054A91;
    border: 2px solid #054A91;
    background-color: whitesmoke;
    height: 1500px;
    width: 55%;
}
#about > img {
    display: flex;
    margin: left;
    width: 300px;
    height: 300px;
    margin-top: 30px;
    margin-bottom: -275px;
    margin-left: 70px;
}
#about > ul {
    font-size: 30px;
    margin-bottom: 100px;
    margin-left:450px;
}
#about > ul > li {
    margin-bottom: 40px;
}
#contact_box {
    display: block;
    margin: 0 auto;
    margin-top: 100px;
    color: #054A91;
    border: 2px solid #054A91;
    background-color: whitesmoke;
    height: 300px;
    width: 55%;
}

#about > p {
    display: block;
    margin: 0 auto;
    padding-top: 20px;
    width: 75%;
    font-size: 35px;
}
#contact > a {
    display: block;
    margin: 0 auto;
    padding-top: 20px;
    text-align: center;
    width: 15%;
    font-size: 35px;
}
h1 {
    display: flex;
    justify-content: center;
    color: #3E7CB1;
    font-size: 75px;
}

footer {
    bottom: 0;
    width: 100%;
    color: #000000;
    text-align: center;
    padding: 20px;
}