main_css.css

* {
    margin: 0;
    padding: 0;
}

header {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("ada-wong-fantasy-art-ao.jpg");
    height: 100vh;
    background-size: cover;
    background-position: center;
}

.main-nav {
    float: right;
    list-style: none;
    margin-top: 25px;
}

.main-nav li {
    display: inline-block;
}

.main-nav li a {
    color: white;
    padding: 5px 20px;
    font-size: 15px;
    transition: 0.5s;
    font-family: "Roboto";
    text-decoration: none;
    border: 1px solid white;
    border: transparent;
}

.main-nav li a:hover {
    background-color: white;
    color: black;
}

.logo img {
    float: left;
    width: 150px;
    height: auto;
}

.row {
    max-width: 1700px;
    margin: auto;
}

.title {
    position: absolute;
    top: 40%;
    left: 35%
}

.title h1 {
    color: white;
    font-size: 60px;
    text-shadow: 2px 2px red;
}

.button {
    position: absolute;
    top: 50%;
    left: 46%;
}

.btn {
    border: 1px solid white;
    font-size: 30px;
    color: rgb(221, 208, 30);
    text-decoration: none;
    padding: 5px 10px;
    transition: 0.6s ease;
    border: 1px solid rgb(206, 131, 19);
}

.btn:hover {
    background-color: rgb(190, 140, 32);
    color: black;
}