style.css

body {
    margin: 0px;
    padding: 0px;
    background-image: url('img/1g.jpg');
}

.left {
    display: inline-block;
    border: 2px;
    position: absolute;
    left: 60px;
    top: 20px;
}

.left img {
    width: 50px;
    border-radius: 10px;

}

.left div {
    font-size: 25px;
    color: yellow;
    text-decoration: underline;
    line-height: 19px;

}

.mid {
    display: block;
    width: 50%;
    margin: 29px auto;
    /* border: 2px solid white;*/

}

.navbar {

    margin-top: 2px;
    display: inline-block;
    color: white;
}

.navbar li {
    display: inline-block;

}

.navbar li a {
    color: white;
    text-decoration: none;
    padding: 15px;
    margin: 2px;
    font-family: 'Times New Roman', Times, serif;
    font-size: 25px;
}

.navbar li a:hover {
    text-decoration: underline;
    text-decoration-color: cadetblue;
    color: aquamarine;
}

.right {
    position: absolute;
    right: 15px;
    top: 8px;
    display: inline-block;
    /* border: 2px solid grey; */

}

.btn {
    margin: 5px;
    padding: 18px 25px;
    background-color: black;
    color: white;
    font-size: 15px;
    border-radius: 6px solid white;
    font-family: 'Times New Roman', Times, serif;
}

.btn:hover {
    color: beige;
    text-decoration: underline;
    text-decoration-color: aqua;
}

.container {
    
    border: 2px solid white;
    margin: 100px 80px;
    padding: 70px;
    width: 33%;
    border-radius: 28px;
    
}

.form-group input {
    font-family:'Times New Roman', Times, serif;
    text-align: center;
    display: block;
    width: 508px;
    padding: 1px;
    border: 2px solid black;
    margin: 11px auto;
    font-size: 25px;
    border-radius: 8px;
}

.container h1 {
    text-align: center;
}

.container button {
    display: block;
    width: 74%;
    margin: 20px auto;
}