@import url('https://fonts.googleapis.com/css2?family=Arvo:ital,wght@0,400;0,700;1,400;1,700&display=swap');
* { margin: 0; padding: 0; box-sizing: border-box; }


body {
    /* background-color: rgb(56, 90, 117); */
    color: rgb(244, 255, 224);
    font-family:  "arvo",Arial;
    overflow-x: hidden;
    line-height: 1.5;
    background-image: linear-gradient(rgb(120, 195, 214),rgb(0, 9, 92));
}
header {
    font-family:  sans-serif;
    text-align: center;
    border-bottom: 4px solid #222;
    background-color: rgb(48, 100, 167);
    padding: 20px;
    margin-bottom: 20px;
} 
h1 {
    text-transform:uppercase;
    font-size: 4em;
    letter-spacing: 8px;
    text-shadow: 3px 4px 0px #222;
    letter-spacing: 25px;
}
img {
    width: 60%;
    display: block;
    margin: auto;
    border-radius: 20px;
    border: 4px solid #222;
    box-shadow: 5px 5px #222;
}
section {
    margin-inline: 20%;
    margin-block: 20px;
}
h2 {
    border-bottom:2px solid #222;
    margin-bottom:10px;
    text-transform:uppercase;
}
section.about {
    line-height: 1.5;
}
section.big_blocks {
    background-color: #5f7c8d;
    padding: 20px;
    border-radius: 20px;
    border:4px solid #222;
    box-shadow: 5px 5px #222;
}
p {
    margin-bottom: 20px;
}
nav a{
    color: rgb(1, 0, 53);
    background-color: rgb(192, 192, 192);
    border: 2px solid #222;
    display:block;
    width: 200px;
    padding:2px;
    text-transform: capitalize;
}
nav a:hover {
    border:2px dashed black;
    background-color: #00000000;
}
.assignments nav a:nth-last-child(-n+1)  {
    border: 2px solid red;
}
footer {
    background-color: #222;
    color: #eee;
    bottom: 0px; left: 0px;
    width: 100%; height: 100px;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    border-top: 2px solid black;
}
footer a {
    color: #fff;
}