JS Course Chapter 22 CSS

js_chapter_22_css.css

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

html {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
}

body {
    min-height: 100vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #708090;
    border: 1px solid #000;
    width: 100%;
}

.height100 {
    height: 100px;
}
.purple {
    background-color: purple;
}
.blue {
    background-color: blue;
}
.darkblue {
    background-color: #00008b;
}
.black {
    background-color: #000;
}

nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 1rem;
    width: 100%;
    height: 48px;
    position: fixed;
    top: 0;
    border-bottom: 1px solid #fff;
    z-index: 2;
    background-color: #000;
    color: #fff;
}

section {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    z-index: 1;
    padding-top: 48px;
}

/* Depending on the view example (1, 2, or 3), 
you will want to set display:none for the other two 
and display:flex for the example you want to see. */
.view1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: space-evenly;
    -ms-flex-pack: space-evenly;
    justify-content: space-evenly;
    background-color: #d3d3d3;
    color: #000;
}

.view1 div {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background-color: #000;
    color: #fff;
    margin: 10px;
}

.view2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    display: none;
    color: #fff;
    max-width: 400px;
    max-height: 60%;
    padding-top: 0;
}

.view2 div {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 200px;
    height: 200px;
    color: #fff;
    margin: 10px;
}

.view3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    display: none;
    background-color: #d3d3d3;
    border: 1px solid #000;
    max-width: 400px;
    padding: 2rem;
}

.view3 form label {
    color: #000;
    margin-right: 1rem;
    font-size: 1.5rem;
}

.view3 form input {
    width: 100%;
    line-height: 1.5rem;
    font-size: 1.5rem;
}

.view3 form button {
    display: block;
    margin-top: 1rem;
    margin-left: auto;
    font-size: 1.25rem;
    padding: 0.75rem;
    border-radius: 10px;
} 

line 161 delete "display:none;" and in line 112 change "display:flex;" to "display:none;"

`* {
margin: 0;
padding: 0;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}

html {
font-family: Arial, Helvetica, sans-serif;
font-size: 16px;
}

body {
min-height: 100vh;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
}

main {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
background-color: #708090;
border: 1px solid #000;
width: 100%;
}

.height100 {
height: 100px;
}
.purple {
background-color: purple;
}
.blue {
background-color: blue;
}
.darkblue {
background-color: #00008b;
}
.black {
background-color: #000;
}

nav {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: justify;
-ms-flex-pack: justify;
justify-content: space-between;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
padding: 1rem;
width: 100%;
height: 48px;
position: fixed;
top: 0;
border-bottom: 1px solid #fff;
z-index: 2;
background-color: #000;
color: #fff;
}

section {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
width: 100%;
height: 100vh;
z-index: 1;
padding-top: 48px;
}

/* Depending on the view example (1, 2, or 3),
you will want to set display:none for the other two
and display:flex for the example you want to see. */
.view1 {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: horizontal;
-webkit-box-direction: normal;
-ms-flex-direction: row;
flex-direction: row;
-ms-flex-wrap: wrap;
flex-wrap: wrap;
-webkit-box-pack: space-evenly;
-ms-flex-pack: space-evenly;
justify-content: space-evenly;
background-color: #d3d3d3;
color: #000;
display: none;
}

.view1 div {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
width: 100px;
height: 100px;
background-color: #000;
color: #fff;
margin: 10px;
}

.view2 {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
color: #fff;
max-width: 400px;
max-height: 400px;
padding-top: 0;
}

.view2 div {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
width: 200px;
height: 200px;
color: #fff;
margin: 10px;
}

.view3 {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
display: none;
background-color: #d3d3d3;
border: 1px solid #000;
max-width: 400px;
padding: 2rem;
}

.view3 form label {
color: #000;
margin-right: 1rem;
font-size: 1.5rem;
}

.view3 form input {
width: 100%;
line-height: 1.5rem;
font-size: 1.5rem;
}

.view3 form button {
display: block;
margin-top: 1rem;
margin-left: auto;
font-size: 1.25rem;
padding: 0.75rem;
border-radius: 10px;
} `

Please find the modified CSS which makes the view2 visible