style.css

 /* CSS reset */
 body {
    color: black;
    margin: 0px;
    padding: 0px;
    background: url('physiotherapy-ge49ad3bde_1920.jpg');
    font-family: 'Ballo bhai', cursive;
}

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

.left img {
    width: 136px;
}

.left div {
    text-align: center;
    line-height: 19px;
    font-size: 20px;
}

.mid {
    display: block;
    width: 40%;
    margin: 29px auto;
    /* border: 2px solid green; */
}

.right {
    position: absolute;
    right: 34px;
    top: 33px;
    display: inline-block;
    /* border: 2px solid rgb(34, 131, 215); */
}

.navbar {
    display: inline-block;
}

.navbar li {
    display: inline-block;
    font-size: 18px;
}

.navbar li a {
    color: black;
    text-decoration: none;
    padding: 4px 3px;

}

.navbar li a:hover,
.navbar li a.active {
    text-decoration: underline;
    color: rgb(39, 203, 236);
}

.btn {
    font-family: 'Ballo bhai', cursive;
    margin: 0px 9px;
    background-color: white;
    color: black;
    padding: 4px 14px;
    border: 2px solid rgb(24, 171, 34);
    border-radius: 10px;
    font-size: 15px;
    cursor: pointer;
}

.btn:hover {
    background-color: rgb(243, 168, 168);
}

.container {
    border: 5px solid black;

    margin: 86px 180px;
    padding: 75px;
    width: 48%;
    border-radius: 28px;

}

.form-group input {
    font-family: 'Ballo bhai', cursive;
    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: 88%;
    margin: 20px auto;
}