body {
    margin: 0;
    font-family: sans-serif;
    color: #333;
    font-size: 12pt;
    overflow: auto;
}
#top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 .1em .4em rgba(0, 0, 0, .4);
}
h1 {
    background-color: #3f51b5;
    color: white;
    font-size: 1.3em;
    padding: .7em;
    margin: 0;
    font-weight: normal;
}
#form {
    padding: 1em;
}
label {
    display: block;
    color: #666;
    font-size: .9em;
    margin-bottom: .8em;
}
select {
    width: 100%;
    display: block;
    margin: auto;
    box-sizing: border-box;
    border: none;
    border-bottom: 1px solid gray;
    height: 2em;
    background: none;
    color: #333;
}
select,
.clickable {
    transition: background-color 250ms ease-in-out;
}
select:hover,
.clickable:hover {
    background-color: rgba(0, 0, 0, .05);
    cursor: pointer;
}
option {
    cursor: pointer;
    background-color: rgba(0, 0, 0, .05);
}
input[type=checkbox] {
    vertical-align: middle;
    margin: 0;
    margin-right: .5em;
}
.checkbox {
    padding: .2em 0;
}
button {
    box-sizing: border-box;
    width: 100%;
    border: none;
    background: none;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    padding: .4em;
    background-color: #f44336;
    color: white;
    border-radius: .1em;
    transition: opacity 250ms ease-in-out;
}
button:hover {
    opacity: .85;
    cursor: pointer;
}
pre {
    display: block;
    width: 100%;
    margin: auto;
    border: none;
    box-sizing: border-box;
    padding: 1em;
    padding-top: 16em;
    font-size: .9em;
}