html {
    font-size: 1px;
}

body {
    @media (min-width: 1000px) {
        font-size: 25rem;
    }
    @media (max-width: 999px) {
        font-size: 16rem;
    }
    font-family: arial;
}

.click {
    font-size: inherit;
    font-family: inherit;
    border: none;
    text-decoration: none;
    background-color: red;
    color: white;
    padding: 5rem;
    border-radius: 5rem;
    margin-right: 20rem;
    cursor: pointer;
}

.click:hover {
    background-color: white;
    color: red;
}

.no_click {
    font-size: inherit;
    font-family: inherit;
    border: none;
    text-decoration: none;
    background-color: lightpink;
    color: white;
    padding: 5rem;
    border-radius: 5rem;
    margin-right: 20rem;
    cursor: pointer;
}

#container {
    display: flex;
}

@media (min-width: 1000px) {
    #container {
        flex-direction: row;
    }

    #left {
        width: 25%;
    }

    #center {
        width: 50%;
    }

    #right {
        width: 25%;
    }
}

@media (max-width: 999px) {
    #container {
        flex-direction: column;
    }

    #left {
        order: 2;
    }

    #center {
        order: 1;
    }

    #right {
        order: 3;
    }
}

#verification_code_input {
    font-size: 25rem;
    width: 100rem;
}

.input_box {
    @media (min-width: 1000px) {
        font-size: 25rem;
    }
    @media (max-width: 999px) {
        font-size: 16rem;
    }
}

.block {
    border-top: 5rem solid red;
    padding: 10rem;
}

#message_box {
    position: fixed;
    bottom: 20rem;
    right: 20rem;
    width: 300rem;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 10rem;
    z-index: 1000;
}

.message {
    background-color: #333;
    color: white;
    padding: 10rem;
    border-radius: 6rem;
    box-shadow: 0 2rem 8rem rgba(0, 0, 0, 0.3);
    animation: fadein 0.3s ease;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(10rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#menu_option_list {
    display: none;
    position: fixed;
    top: 10%;
    left: 20%;
    width: 50%;
    padding: 20rem;
    background-color: #E6E6E6;
    z-index: 999;
}

@media (max-width: 999px) {
    #navigation_bar {
        display: none;
    }

    #menu_button {
        display: block;
    }
}

@media (min-width: 1000px) {
    #navigation_bar {
        display: flex;
    }

    #menu_button {
        display: none;
    }
}

.tag {
    margin-right: 20rem;
    background-color: lightgray;
}