html,
body {
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

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

    .form-signin .checkbox {
        font-weight: 400;
        float:left;
    }
    .form-signin .forgot {
        font-weight: 400;
        float: right;
        font-size: 12px;
    }
    .form-signin a {
        color: #007bff;
        text-decoration: none;
        background-color: transparent;
    }

    .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;
    }

    @media(min-width: 900px){
        .form-signin {
            width: 100%;
            max-width: 660px;
            padding: 15px;
            margin: auto;
        }
    }
    @media(min-width: 1400px){
        .form-signin {
            width: 100%;
            max-width: 430px;
            padding: 15px;
            margin: auto;
        }
    }



.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 3.5rem;
    }
}
.form-control:focus {
    color: #212529;
    background-color: #fff;
    border-color: limegreen;
    outline: 0;
    box-shadow: none;
}
.form-floating > .form-control:focus ~ label, .form-floating > .form-control:not(:placeholder-shown) ~ label, .form-floating > .form-select ~ label {
    opacity: 0.65;
    transform: scale(0.70) translateY(-0.5rem) translateX(0.15rem);
    color: limegreen;
}