:root {
    --login-background-color: rgba(255, 255, 255, 0.5);
    --text-background-color: #ECF0F1;
    --text-border-color: #c451f5;
    --submit-background-color: #f05ddc;
    --submit-background-color-hover: #ed8ae0;
}

* {
    box-sizing: border-box;
    padding: 0;
}

html {
    font-size: 62.5%;
    height: 100vh;
}

.login-form {
    text-align: center;
    background-color: var(--login-background-color);
    padding: 20px;
    border-radius: 50px;
    margin: auto;
    width: 80%;
}

.login-fields {
    text-align: center;
    margin-bottom: 10px;
}

.app-title {
    text-align: center;
    color: #777;
    font-size: 2rem;
    margin-bottom: 10px;
    font-family: Arial, Helvetica, sans-serif;
}

input[type="text"], input[type="password"] {
    text-align: center;
    background-color: var(--text-background-color);
    border: 2px solid transparent;
    border-radius: 1rem;
    font-size: 1.5rem;
    padding: 10px 0;
    width: 350px;
    transition: border .5s;
    margin-bottom: 10px;
}

input[type="text"]:focus, input[type="password"]:focus {
    border: 2px solid var(--text-border-color);
    box-shadow: none;
}

input[type="submit"] {
    border-width: 0;
    background-color: var(--submit-background-color);
    color: #ffffff;
    font-size: 20px;
    line-height: 25px;
    padding: 10px 0;
    border-radius: 1rem;
    box-shadow: none;
    transition: 0.25s;
    width: 250px;
    margin: 0 auto;
}

input[type="submit"]:hover {
    background-color: var(--submit-background-color-hover);
}

input[type="checkbox"] {
    align-self: center;
    border-width: 0;
    background-color: var(--submit-background-color);
    color: #ffffff;
    font-size: 20px;
    line-height: 25px;
    padding: 10px 0;
    border-radius: 1rem;
    box-shadow: none;
    transition: 0.25s;
    margin: 0;
    margin-right: 10px;
    margin-left: 10px;
}

input[type="checkbox"]:hover {
    background-color: var(--submit-background-color-hover);
}

label {
    display: inline-flex;
    width: 100%;
    align-items: center;
    font-size: 15px;
    justify-content: center;
}

center img {
    margin-bottom: 10px;
}