@import url('colors.css');
body {
	background: url(/jpeg/office-pen-calculator-computation.jpg); /* source: https://www.pexels.com by Pixabay */
	background-repeat: no-repeat;
	background-size: 100% auto;
	background-color: #E8E8EA;
	color: var(--color-dark);
    font-family: 'Open Sans', sans-serif;
	font-size: 16px;
	min-width: 300px;
}
h1 {
	font-family: 'ZCOOL XiaoWei', serif;
	font-size: calc(1em + 5vw);
	font-weight: 700;
}
.fa-calculator {
	font-size: calc(10px + 4vw);
}
/* <header> stylization */
.ribbon {
	background-color: var(--color-dark);
	min-height: 40px;
}
.nav-link {
	color: var(--color-icons) !important;
}
.nav_icon {
	font-size: 0.8em;
}
.center {
	margin: 0 auto;
}
.logo {
	padding: 10px;
	text-align: center;
}
.nav-item {
	background-color: var(--color-medium);
	border: 2px solid var(--color-dark);
	border-radius: 10px;
	font-size: 16px;
	margin: 5px;
	min-width: 145px;
	text-align: center;
}
.nav-item-active {
	background-color: var(--color-item-active);
	border: 2px solid var(--color-dark);
	border-radius: 10px;
	font-size: 16px;
	margin: 5px;
	min-width: 145px;
	text-align: center;
}
.nav-item:hover {
	background-color: var(--color-item-hover-bg);
	border: 2px solid var(--color-item-hover-brd);
}

.single-icon {
	color: white;
	padding: 18px 7px 7px 7px;
}
.error {
	color: red !important;
}
.inB {
	display: inline-block;
}
.floatLeft {
	float: left;
}
.hidden {
	display: none;
}

/* alert stylization */
.ribbon_info {
	background-color: var(--color-medium);
	color: var(--color-bg);
	text-shadow: -1px 0 var(--color-dark), 0 1px var(--color-dark), 1px 0 var(--color-dark), 0 -1px var(--color-dark);
	text-align: center;
	margin-top: 20px;
	margin-bottom: 20px;
	font-size: calc(16px + 2vmin);
	font-family: 'ZCOOL XiaoWei', serif;
}
.alert-info {
	font-size: calc(8px + 3vmin);
	text-align: center;
}

#info_ribbon, #limit_ribbon {
	margin: 0.375em 0.75em 0 0.75em;
	text-align: center;
	font-size: 1em;
	border-radius: 1em;
	width: 100%;
}
.input-group-text {
	background-color: var(--color-medium);
    border: 1px solid var(--color-dark);
}
.form-control {
    border: 1px solid var(--color-dark);
}

#buttons_footer {
	position: fixed; 
	bottom: 0;
	min-width: 300px;
}
.bot10 {
	margin-bottom: 10px;
}

.bg-main {
	border: 1px solid var(--color-dark);
	border-radius: 4px;
	background-color: var(--color-bg);
	margin-top: 16px;
}
.fa-file-text-o, .fa-floppy-o, .fa-trash, .fa-pencil, .fa-plus {
	color: var(--color-icons) !important;
}
input {
	min-width: 0;
}
.container_title {
	font-family: 'ZCOOL XiaoWei', serif;
	font-weight: 700;
	font-size: calc(1em + 1vw);
	margin-top: 0.375em;
}
@media (max-width: 576px) {
	.mobile_width_25 {
		width: 25%;
		float: left;
		height: 100%;
	}
	.mobile_width_75 {
		width: 75%;
		float: left;
		height: 100%;
	}
}