html,
body {
    height: 100%;
    
}

body {
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    /*background-color: #f5f5f5;*/
    /*background-image: url(../Images/ledger-1428230.jpg);
    background-size: 100%;*/
    background: url(../Images/ledger-1428230.jpg) no-repeat center fixed;
    background-size: cover;
}
main {
    background-color: black;
    border-radius: 20px;
}

.form-signin {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}

.form-signin .checkbox {
    font-weight: 400;
}

.form-signin .form-floating:focus-within {
    z-index: 2;
}

.form-signin input[type="email"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}