body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: white;
    background-color: whitesmoke;
}

.login-form {
    text-align: center;
    position: fixed;
    top: 10%;
    left: 40%;
    padding: 40px 40px 20px 40px;
    color: black;
    background: #347de0;
    border-radius: 10px;
    box-shadow: 0 0.4px 0.4px rgba(128, 128, 128, 0.109), 0 1px 1px rgba(128, 128, 128, 0.155), 0 2.1px 2.1px rgba(128, 128, 128, 0.195), 0 4.4px 4.4px rgba(128, 128, 128, 0.241), 0 12px 12px rgba(128, 128, 128, 0.35);
}

img {
    max-width: 280px !important;
    margin: 0 auto;
}

h3 {
    margin: 24px 0 24px 0;
    font-size: 30px;
    color: white;
    padding: 10px;
    padding-top: 10px;
    text-align: center;
}

.form-group {
    padding: 0 10px 0 10px;
}

.form-input-material {
    --input-default-border-color: black;
    --input-border-bottom-color: black;
    margin: 12px 0;
    font-size: 15px;
    padding: 0 10px 0 10px;
}

.btn {
    padding: 8px 20px;
    border-radius: 10px;
    overflow: hidden;
    background-color: lightslategrey;
    color: white;
    width: 100%;
    margin: 18px 0 9px 0;
}

.login-btn {
    border-radius: 10px;
    background-color: white;
    border: none;
    color: black;
    text-align: center;
    width: 100%;
    transition: all 0.5s;
    padding: 10px;
    margin: 20px 0 0 0;
    max-width: 280px;
}

    .login-btn span {
        cursor: pointer;
        display: inline-block;
        position: relative;
        transition: 0.5s;
    }

        .login-btn span:after {
            content: '\00bb';
            position: absolute;
            opacity: 0;
            top: 0;
            right: -20px;
            transition: 0.5s;
        }

    .login-btn:hover span {
        padding-right: 15px;
    }

        .login-btn:hover span:after {
            opacity: 1;
            right: 0;
        }

.login-error {
    color: red;
    padding-left: 10px;
}

.form-control {
    margin: 0 auto;
}

@media screen and (max-width: 1024px) {

    .login-form {
        position: absolute;
        left: 0px;
        top: 100px;
        width: 100%;
    }

    .textbox {
        text-align: center;
    }

    label {
        margin-left: 25px;
    }

    input {
        margin: 0 auto;
    }
}