* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
}

/* index page */
.id_input {
    padding: 15px;
}

body {
    font-size: 1.2rem;
}

h1,h2,h3,h4,h5,h6,p {color: #6F7887;}
.text-red {color: #dd0000;}

.container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;

}

.banner {
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    box-shadow: 0px 0px 20px 0px #ddd;
}

.btn {
    padding: 15px;
    background-color: #0458ad;
    border: none;
    border-radius: 5px;
    color: white;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn:hover {
    background-color: #0458addd;
}

.btn svg {
    margin-right: 7px;
}

.content {
    background-color: #F0F1F3;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6,
.content p {
    margin: 15px 0;
}

.file-error a,
.file-error a:visited {
    color: blue;
}
@media screen and (max-width: 600px) {
    .banner {
        display: block;
    }

    .btn {
        width: 100%;
    }
}