style.css

/* CSS Reset */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
	font-size: 16px;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
/* End CSS Reset */
:root {
    --primary: #5246FF;
	--secondary: #FF8675;
	--grey-30: #ccc; 
	--grey-50: #979797;
}
* {
    font-family: 'Inter', sans-serif;
	font-weight: 400;
}
h1 {
	font-size: 3rem;
	font-weight: 800;
	margin-bottom: .3em;
}
h2 {
	font-size: 1.3rem;
}
.font-cursive {
	font-family: 'Libre Baskerville', serif;
	font-weight: 300;
	font-style: italic;
}
.text-secondary {
	color: var(--secondary);
}
#container {
	margin: 30px;
}
#app {
	color: white;
	padding: 40px;
    background-color: var(--primary);
    border-radius: 12px;
	text-align: center;

	display: flex;
	flex-direction: column;
	justify-content: space-between;
	align-items: center;
}
#copyright {
	color: var(--grey-30);
	margin: 2rem 0;
}
#copyright a {
	color: var(--grey-30);
	text-decoration: none;
}
#copyright a:hover {
	color: var(--grey-50);
	text-decoration: none;
}
.benefit {
	margin: 2rem 0;
	display: flex;
	flex-direction: column;
	gap: 1rem;
}
.benefit__text {
	line-height: 1.2;
	font-size: 1rem;
}
#shortener {
	position: relative;
	display: flex;
    flex-direction: column;
    gap: 1rem;
	margin: 2rem 0;
}
.shortener-input {
	background-color: transparent;
    border-bottom: 2px solid white;
    outline: 0;
    border-top: 0;
    border-left: 0;
    border-right: 0;
	height: 3rem;
	margin: 0;
    padding: 0 0 0 2rem;
	width: 100%;
	color: white;
	font-size: 1.1rem;
}
.shortener__input-wrapper {
	position: relative;
	display: flex;
}
.shortener__input-wrapper::before {
	content: '\f0c1';
    font-family: 'Font Awesome 6 Free';
	position: absolute;
    font-weight: 600;
    left: 0;
    bottom: 1rem;
	color: var(--secondary);
}
::placeholder {
	color: white;
}
::-webkit-input-placeholder {
	color: white;
}
::-moz-placeholder {
	color: white;
}
:-ms-input-placeholder {
	color: white;
}
button {
	height: 3rem;
	border: 0;
	outline: 0;
	border-radius: 6px;
	padding: 0 1.2rem;
	font-weight: 700;
	font-size: 1.1rem;
	cursor: pointer;
	position: relative;
}
.button-secondary {
	color: white;
	background-color: var(--secondary);
}
.button-secondary:hover {
	outline: 4px solid #8669e8;
}
.button-primary {
	color: white;
	background-color: var(--primary);
}
.button-primary:hover {
	outline: 4px solid #cbc8ff;
}
.button__qr {
	background: none;
	padding: 0;
    height: 24px;
	color: var(--secondary);
}
.button__remove {
	color: #9e99e3;
	background-color: #f0efff;
}
.button__remove:hover {
	color: var(--secondary);
}
#result {
	background-color: white;
	width: 100%;
	max-width: 34rem;
	border-radius: 6px;
	padding: .6rem;
	position: relative;
}
.result-link,
.result-link a {
	color: var(--primary);
	font-size: 1.1rem;
	font-weight: 600;
	text-decoration: none;
}
.result__buttons {
	display: flex;
	gap: 1rem;
	align-items: center;
}
#shortener__form,
#shortener__results {
	display: contents;
}
#qr_code {
    display: none;
}
#alert {
    position: absolute;
	bottom: calc(100% + 4rem);
	left: 0;
	right: 0;
    background-color: #4d43d7;
    padding: 0.7rem 0.8rem;
    border-radius: 6px;
    font-weight: 300;
    font-size: 1rem;
	display: none;
	color: #cdc9ff;
}
#alert::after {
	content: "";
  	position: absolute;
  	top: 100%;
  	left: 50%;
  	margin-left: -5px;
  	border-width: 5px;
  	border-style: solid;
  	border-color: #4d43d7 transparent transparent transparent;
}
.alert-active {
	display: block !important;
}
@media (max-width:425px) {
	.button__qr {
		display: none;
	}
}
@media (max-width: 768px) {
	#copyright p {
		margin-bottom: 1rem;
	}
	.result__buttons {
		justify-content: center;
		margin-top: .6rem;
	}
	.result-link {
		background-color: #efefef;
		padding: 1rem;
		border-radius: 6px;
		overflow: hidden;
	}
}
@media (min-width: 768px) {
	h1 {
		font-size: 4rem;
	}
	h2 {
		font-size: 1.75rem;
	}
	#container {
		margin: 60px;
	}
	#app {
		min-height: 500px;
		padding: 90px;
	}
	#benefits {
		display: flex;
		gap: 2rem;
		justify-content: space-between;
		max-width: 800px;
    	margin: 0 auto;
	}
	.benefit {
		display: flex;
		align-items: center;
		flex-direction: row;
    	gap: 1rem;
		width: 33%;
	}
	.benefit__text {
		text-align: left;
	}
	#copyright {
		display: flex;
		justify-content: space-between;
	}
	#shortener {
		display: flex;
		align-items: flex-end;
		justify-content: center;
		flex-direction: row;
		gap: 1rem;
		max-width: 35rem;
		margin: 0 auto;
		width: 100%;
	}
	.shortener__input-wrapper {
		width: 70%;
	}
	.shortener-input {
		flex-grow: 1;
	}
	.button__shortener {
		width: 30%;
	}
	#result {
		display: flex;
		justify-content: space-between;
		align-items: center;
	}
	.result-link {
		margin-left: 1rem;
	}
	#alert {
		bottom: calc(100% + .8rem);
	}
}
@media (min-width:1030px) {
	#app {
		background: url(./app-background.png);
		background-size: cover;
		background-position: center;
	}
}