html {
    min-height: 100vh;
    min-width: 100vw;
}

body {
    min-height: 100vh;
    min-width: 100vw;
    background-size: cover;
    overflow-x: hidden;
    overflow-y: hidden;
}

.bodyoverlay {
    position: absolute;
    width: 100vw;
    height: 100vh;
    background-color: black;
    z-index: -1;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    opacity: 0.1;
}

.login_header > label {
    margin: 0;
    margin-top: 100px;
    margin-left: 100px;
    font-size: 50px;
    word-break: break-word;
}

.login_form {
    display: flex;
    position: absolute;
    left: 190px;
    top: 300px;
    padding: 10px;
    background: #FFFFFF;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid silver;
    border-radius: 5px;
}

form {
    margin: auto;
    min-width: 242px;
}

form > input {
    margin-bottom: 10px;
    width: 100%;
}

.login_form_footer {
    display: flex;
}

.login_form_footer > img {
    max-width: 129px;
    max-height: 34px;
}

.login_form_footer > button {
    margin-left: auto;
}

@media only screen and (max-width: 580px) {
    .login_form {
        position: static;
        border-radius: 0;
    }

    .login_header {
        font-size: 10.3vw;
        text-align: center;
        padding: 0;
    }

    .login_header > label {
        font-size: 10.3vw;
        margin: 0 auto;
    }
}