form {
    margin: auto;
    width: 50%;
}

@media (max-width: 800px) {
    /* Make form larger on mobile and tablet screens */
    form {
        width: 80%;
    }
}

hr {
    color: gray;
    margin: 3rem 0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0;
    text-align: center;
}

h3 {
    margin-top: 0;
    text-align: center;
}

.section_header {
    margin-top: 1rem;
}

.closed_header {
    margin-bottom: 2rem;
    text-align: center;
}

.closed_header div {
    font-size: 1.5rem;
    background-color: #f04747;

    padding: 1rem 4rem;
    border-radius: 8px;
}

.unselectable {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.selectable {
    -moz-user-select: text;
    -webkit-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* ------------------------------------------------------------- */
/*                           Required                            */
/* ------------------------------------------------------------- */
.required_star {
    display: none;
}

#required.required_star {
    display: inline-block;
    position: relative;

    color: red;

    top: -0.2rem;
    margin-left: 0.2rem;
}

/* ------------------------------------------------------------- */
/*                          Checkboxes                           */
/* ------------------------------------------------------------- */
.checkbox_label {
    display: inline-block;
    position: relative;
    top: 0.25em;

    width: 1em;
    height: 1em;

    margin: 1rem 0.5rem 0 0;
    border: whitesmoke 0.2rem solid;
    border-radius: 25%;

    -webkit-transition: background-color 300ms ease-in-out;
    transition: background-color 300ms ease-in-out;
}

.checkbox_label input {
    position: absolute;
    opacity: 0;
    height: 0;
    width: 0;
}

.unselected_checkbox_label {
    background-color: white;
}

.unselected_checkbox_label:hover {
    background-color: lightgray;
}

.selected_checkbox_label {
    background-color: #7289DA; /* Blurple */
}

.checkmark_span {
    position: absolute;
}

.selected_checkbox_label .checkmark_span {
    width: 0.30rem;
    height: 0.60rem;
    left: 0.25em;

    border: solid white;
    border-width: 0 0.2rem 0.2rem 0;

    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}

/* ------------------------------------------------------------- */
/*                             Radio                             */
/* ------------------------------------------------------------- */
input[type="radio"] {
    margin: 1rem 0.5rem 0 0;
}

/* ------------------------------------------------------------- */
/*                            Select                             */
/* ------------------------------------------------------------- */
.select_container {
    display: inline-block;
    position: relative;

    width: min(20rem, 90%);
    height: 100%;
    min-height: 2rem;

    background: whitesmoke;

    color: black;
    text-align: center;

    margin-bottom: 0;

    border: 0.1rem solid black;
    border-radius: 8px;

    -webkit-transition: border-radius 400ms;
    transition: border-radius 400ms;
}

.select_container.active {
    height: auto;
    border-radius: 8px 8px 0 0;
}

.select_arrow {
    display: inline-block;
    height: 0.5rem;
    width: 0.5rem;

    position: relative;
    float: right;
    right: 1em;
    top: 0.7rem;

    border: solid black;
    border-width: 0 0.2rem 0.2rem 0;

    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);

    -webkit-transition: transform 400ms;
    transition: transform 400ms;
}

.select_container.active .select_arrow {
    -webkit-transform: translateY(40%) rotate(225deg);
    -ms-transform: translateY(40%) rotate(225deg);
    transform: translateY(40%) rotate(225deg);
}

.selected_option {
    display: block;
    padding: 0.5rem 0;
}

.select_options_container {
    position: relative;
    width: 100%;

    /* Need to account for margin */
    left: -0.1rem;
}

.select_options {
    display: block;
    position: absolute;
    width: 100%;

    visibility: hidden;
    opacity: 0;

    background: whitesmoke;
    overflow: hidden;

    border: 0.1rem solid black;
    border-radius: 0 0 8px 8px;
    border-top: none;

    -webkit-transition: opacity 400ms, visibility 400ms;
    transition: opacity 400ms, visibility 400ms;
}

.select_container.active .select_options {
    visibility: visible;
    opacity: 1;
}

.select_options > div > div {
    padding: 0.75rem;
}

.select_options > div:hover {
    background-color: lightgray;
}

.select_options hr {
    margin: 0 1rem;
}

/* ------------------------------------------------------------- */
/*                          Text Types                           */
/* ------------------------------------------------------------- */
.short_text, .text_area {
    display: inline-block;
    width: min(20rem, 90%);
    height: 100%;
    min-height: 2rem;

    background: whitesmoke;

    color: black;
    padding: 0 1rem;
    font: inherit;

    margin-bottom: 0;

    border: 0.1rem solid black;
    border-radius: 8px;
}

.text_area {
    min-height: 20rem;
    min-width: 40%;
    width: 100%;
    box-sizing: border-box;

    padding: 1rem;
}

/* ------------------------------------------------------------- */
/*                            Range                              */
/* ------------------------------------------------------------- */
.range {
    display: flex;
    justify-content: space-between;
    position: relative;
    width: 100%;
}

.range label {
    width: 1rem;
}

.range label span {
    display: inline-block;
    transform: translateX(-50%);
    margin: 0 50%;

    white-space: nowrap;

    transition: transform 300ms;
}

.range_dot {
    width: 0.8rem;
    height: 0.8rem;
    background-color: whitesmoke;

    border: 0.2rem solid whitesmoke;
    border-radius: 50%;

    transition: background-color 300ms;
}

.range_dot.selected {
    background-color: #7289DA; /* Blurple */
}

.range_slider_container {
    display: flex;
    justify-content: center;
    width: 100%;

    position: absolute;
    z-index: -1;

    top: 2rem;

    transition: all 300ms;
}

.range_slider {
    width: 98%; /* Needs to be slightly smaller than container to work on all devices */
    height: 0.5rem;
    background-color: whitesmoke;

    transition: transform 300ms;
}

/* ------------------------------------------------------------- */
/*                         Mobile Range                          */
/* ------------------------------------------------------------- */
@media (max-width: 800px){
    .range {
        width: 20%;
        display: block;
        margin: 0 auto;
    }

    .range_dot {
        margin-bottom: 1.5rem;
    }

    .range label span {
        margin-left: 0;
        transform: translateY(1.6rem) translateX(2rem);
    }

    .range_slider_container {
        width: 0.5rem;
        left: 0.32rem;
        height: 88%;

        background: whitesmoke;
        z-index: -1;
    }

    .range_slider {
        display: none;
    }
}

/* ------------------------------------------------------------- */
/*                          Navigation                           */
/* ------------------------------------------------------------- */
.nav {
    margin: auto;
    width: 50%;

    text-align: center;
    font-size: 1.5rem;
    white-space: nowrap;
}

.nav_separator {
    height: 0;
    display: none;
}

.nav > div {
    display: inline-block;
    margin: 2rem auto;
    width: 50%;
}

.nav_buttons {
    text-align: left;
}

.nav_buttons.closed {
    text-align: center;
}

.submit_form {
    text-align: right;
}

/* Tile Buttons Vertically On Smaller Devices */
@media (max-width: 850px) {
    .nav {
        width: 100%;
    }

    .nav_separator {
        display: block;
    }

    .nav > div {
        display: flex;
        justify-content: center;

        margin: 0 auto;
    }
}

.return_home {
    padding: 0.5rem 2rem;
    border-radius: 8px;

    color: white;
    text-decoration: none;

    background-color: #99AAB5; /* Gray-ish */
    transition: background-color 300ms;
}

.return_home:hover {
    background-color: #6E7D88; /* Darker gray-ish */
}

.submit_form button {
    padding: 0.5rem 4rem;
    cursor: pointer;

    border: none;
    border-radius: 8px;

    color: white;
    font: inherit;

    background-color: #7289DA; /* Blurple */
    transition: background-color 300ms;
}

.submit_form button:hover {
    background-color: #4E609C; /* Darker blurple */
}