.form-center {
    width: 90%;
    max-width: 300px;
}

.container {
    margin-top: 0.5em;
}

img {
    max-width: 300px;
}

.flagImg {
    -ms-opacity: 0.5;
    opacity: 0.5;
    max-width: 150px;
}

.flagImg.selected {
    -ms-opacity: 1;
    opacity: 1;
    max-width: 150px;
}

h2 {
    font-size: 42px !important;
}

body {
    font-size: 24px !important; 
}

.btn {
    font-size: 24px !important;
    border-radius: 0 !important;
    border: none !important;
    outline: none !important;
}

input {
    font-size: 24px !important;
    border-radius: 0 !important;
    outline: none !important;
}