Login - CSS

body {
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
    background: url(../img/bg.jpg) no-repeat center top;
    background-size: cover;
    height: 100vh;
    font-family: sans-serif;
}

#login-box {
    width: 320px;
    height: 420px;
    background: #000;
    color: #fff;
    padding: 30px;
    top: 55%;
    left: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
}

#login-box .avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translate(-50%, -40%);
    border: 2px solid #f1f1f1;
}
#login-box .avatar:hover {
    cursor: pointer;
}

#login-box h1 {
    text-align: center;
    margin: 0;
    padding: 0 0 20px;
    font-size: 25px;
}

#login-box hr {
    border: 1px dashed grey;
    height: 0;
    width: 60%;
}

#login-box label {
    margin: 0;
    padding: 0;
    font-weight: bold;
    display: block;
    font-size: 17pt;
}

#login-box input {
    margin: 0 0 20px;
    padding: 0;
    width: 100%;
    margin-bottom: 20px;
}

#login-box input[type="text"],
#login-box input[type="password"] {
    border: none;
    border-bottom: 1px solid #fff;
    background: transparent;
    outline: none;
    height: 40px;
    color: #fff;
    font-size: 12pt;;
}

#login-box input[type="submit"] {
    background: #1d1d78;
    color: #fff;
    border: none;
    padding: 10px;
    font-size: 18px;

}
#login-box input[type="submit"]:hover {
    cursor: pointer;
    background: #4949a3;
}

#login-box a {
    color: #F18000;
    font-size: 13px;
    line-height: 25px;
    text-decoration: none;
}
#login-box a:hover {
    color: #FFC100;
}