body {
    background-color: #252527;
    
    font-family: Verdana;
}
header {
    position: absolute;
    width: 600px;
    left: calc( 50vw - 300px );
    
    color: #fafaf3;
}
header > h1 {
    width: 100%;
    text-align: center;
    font-size: 40px;
    
    margin-bottom: 15px;
}
header > aside {
            
    display: flex;
    display: -webkit-flex;
}
header > aside > a {
            
    flex: 1;
    -webkit-flex: 1;
            
    text-align: center;
            
    text-decoration: none;
    font: 15px Courier;
    color: #aae;
}
article {
    position: absolute;
    width: 600px;
    background-color: #fafaf3;
            
    left: calc( 50vw - 320px );
    top: 200px;
    margin-bottom: 40px;
            
    padding: 20px 20px 20px 20px;
}
article > h1 {
    
    margin-bottom: 0;
}
article > form {
    
    margin-top: 60px;
    text-align: center;
}
#theme, #theme input {
    
    font: 20px Verdana;
}
#theme input {

    background-color: rgba(255,255,255,.4);
    border: none;
    outline: none;
    border-bottom: 2px solid lightgray;
    
}
#theme input:focus {

    border-bottom: 2px solid gray;
}
#secondOption {

    overflow: hidden;
    max-height: 28px;
    color: gray;
    
    transition: max-height 1s, color 1s;
    -webkit-transition: max-height 1s, color 1s;
    
}
#secondOption.showing {
    
    overflow: scroll;
    max-height: 1000px;
    color: black;
}
#secondOption > p {
    
    transition: font-size 1s;
    -webkit-transition: font-size 1s;
    
    font-size: 12px;
}
#secondOption.showing > p {
    
    font-size: 20px;
}

#secondOption > div {
    
    display:flex;
    display:-webkit-flex;
    
    text-align: center;
}

#secondOption > div > div {
    
    font-size: 16px;

    opacity: 0;
    flex: .0001;
    -webkit-flex: .00001;
    overflow: hidden;
    
    transition: flex 1s, opacity .7s;
    -webkit-transition: flex 1s, opacity .7s;
}

#secondOption > div > div.showing {

    flex: 1;
    -webkit-flex: 1;
    overflow: visible;
    opacity: 1;
}

#secondOption ul {

    list-style-type: none;
    padding-left: 20px;
    padding-right: 20px;
    text-align: left;
    
    font: 18px Verdana;
}
#secondOption ul > li {

    padding-left: 10px;
    width: calc( 100% - 15px );
    line-height: 27px;
    
    background-color: #f0f0f0;
    margin-bottom: 8px;
    
    transition: line-height .2s, margin .2s, background .5s, font .2s, padding .2s;
    -webkit-transition: line-height .2s, margin .2s, background .5s, font .2s, padding .2s;
}
#secondOption ul > li:hover {
    
    cursor: pointer;

    font-size: 22px;
    line-height: 33px;
    margin-bottom: 3px;
    margin-left: -10px;
    padding-right: 20px;
    
    
    background-color: #aea;
}

#pens p:first-of-type {

    font-size: 14px;
}

#submit {
    
    outline: none;

    background-color: #bbb;
    color: #447;
    font-size: 24px;
    width: 600px;
    height: 60px;
    border: none;
    pointer-events: none;
    
    transition: color 1s, background 1s;
    -webkit-transition: color 1s, background 1s;
}
#submit.accessible {
    
    background-color: #dedede;
    color: #224;
    pointer-events: all;
}
#submit.accessible:hover {

    cursor: pointer;
    
    color: #113;
    background-color: #eee;
}
.error {

    font:10px Verdana gray;
}