* {
    box-sizing: border-box;
}

html {
    font-family: sans-serif;
    width: 100%;
    height: 100%;
    margin: 0px;
    padding: 0px;
    background-color: white;
}

body {
    width: 100%;
    height: 100%;
    margin: 0px;
    padding: 1em;
    background-color: white;
}

#about {
	font-size: 18px!important;
    align-items: center;
    justify-content: center;
	position: fixed;
	top: 0px;
	bottom: 0px;
	left: 0px;
	right: 0px;
	background: rgba(0, 0, 0, 0.7);
	visibility: visible;
	z-index: 100;
	display: none;
}

#aboutContent {
	margin: 1ch auto;
	padding: 2ch;
	background: #fff;
	border-radius: 1em;
	width: 60ch;
	position: relative;
    left: auto;
    top: auto;
}

.content {
    height: 100%;
    width: 100%;
    padding-bottom: 1em;
}

.column {
    border: .2em solid #13436b;
    border-radius: 1em;
    width: calc(50% - 0.5em);
    height: 100%;
    display: inline-block;
}

.glue {
    width: 1em;
    height: 100%;
    display: inline-block;
}

.button_disabled {
    filter: brightness(100%);
}

.button_enabled {
    filter: brightness(100%);
}
.button_enabled:hover {
    filter: brightness(110%);
}

.button_error {
    display: none;
}

.runnable {
    width: 100%;
    height: 100%;
}

.runnable .ace_editor {
    font-size: 16px;
}

.runnable .run {
    border: none;
    width: 100%;
    height: 28px;
    line-height: 16px;
    vertical-align: middle;
    z-index: 50;
}

.runnable .output {
    display: inline-block;
    padding-left: 1em;
    padding-right: 1em;
    font-size: 16px;
    font-family: monospace;
    color: #13436b;
    overflow: scroll;
}

.runnable .output pre {
    margin: 0px;
    padding: 0px;
    display: inline;
}

.runnable .output img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}