maj.css

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-top: 0px;
    margin-left: 15px;
    margin-right: 15px;
    padding: 0;
    background-color: rgb(255, 255, 255);
    background-size: cover;
}
.header-content {
    display: flex;
    align-items: center;
  }
header {
    height: 50px;
    /* padding: 10px; */
    padding-top: 1px;
    padding-bottom: 25px;
    /* padding-bottom: 10px; */
    /* padding-top: 10px; */
    background-color: #000000;
    color: #ffffff;
    font-size: 20px;
    text-align: center;
}
h1{
    text-align: center;
    color: #ffffff;
    background-color: black;
}
.navigate_links {
    list-style: none;
}

.navigate_links li {
    display: inline-block;
    padding: 0px 20px;
}

.navigate_links li a {
    transition: all 0.3s ease-in-out 0s;
}
.navigate_links li a:hover {
    color: greenyellow;
    border: 2px solid blue;
    box-shadow: 3px 3px 3px red, 3px 3px 3px blue;
    border-radius: 200px;
    margin: 5px;
    padding: 6px;
    font-size: 22px;
    font-display: white
    ;
}
input {
    display: block;
    width: 250px;
    padding: 0 1.25rem;
    height: 30px;
}

input,
input::placeholder {
    font: 1.00rem/3 sans-serif;
}
embed{
    width: 100%;
    height: 400px;
    /* border-radius: 2px 2px ; */
    box-shadow: 20px 2px 20px grey;
}
footer {
    background-color: black;
    position: relative;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 10px;
    color: white;
    z-index: 1000;

}

.footer-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

.footer-links ul li {
    display: inline-block;
    margin-right: 20px;
}