style.css

body {
    margin: 0;
    padding: 0;
}
body:before {
    content: '';
    position: fixed;
    width: 100vw;
    height: 100vh;
    background-image: url(images.jpeg);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    -webkit-filter: blur(4px);
    -moz-filter: blur(4px);
}
.login-form {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    width: 400px;
    height: 450px;
    padding: 80px 40px;
    background: rgba(202, 192, 192, 0.6);
    border-radius: 10px;
}
.freefire {
    position: absolute;
    width: 100px;
    height:100px;
    border-radius: 50%;
    overflow: hidden;
    top: calc(-80px/2);
    left: calc(50% - 40px);
    
}
.logo {
    margin: 0% 29%;
    height: 100px;
    width: 180px;
}
.login-form p {
    margin: 0;
    padding: 0;
    font-weight: bold;
    font-family: 'segoe UI';
    color: rgb(255, 0, 0);
}
.login-form input {
    width: 100%;
    margin-bottom: 20px;
}
input[type=text], input[type=password], input[type=number] {
    border: none;
    border-bottom: 1px solid #ffffff;
    background: transparent;
    outline: none;
    height: 35px;
    color: black;
    font-size: 15px;
}
input[type=submit] {
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 2px;
    height: 35px;
    color: rgb(0, 0, 0);
    font-size: 15px;
    background: transparent;
    cursor: pointer;
    border-radius: 5px;
    border: 5px solid blue;
    outline: none;
    margin-top: 5%;
}
input[type=checkbox] {
    width: 5%;
}