style.css

/*
 * You should write your CSS in this file.  Don't forget to add your name and
 * @oregonstate.edu email address below.
 *
 * name: Nils Streedain
 * email: streedan@oregonstate.edu
 */

body {
	margin: 0;
}

main {
	margin: 165px 10px;
	font-family: Roboto;
}

/*************** Header ***************/
header {
	width: 100%;
	position: absolute;
	top: 5px;
	background-color: #000;
}

header div {
	float: left;
	display: flex;
}

header a {
	font: 75px Roboto Slab;
	color: #fff;
	text-decoration: none;
	position: absolute;
	bottom: 5px;
}

/*************** Filters ***************/

.filter-container {
	background-color: #f1f1f1;
	padding: 20px;
	border-radius: 10px;
	width: 250px;
	float: left;
}

h2 {
	margin: 0;
}

h2, .filter-input-container {
	display: flex;
	padding-bottom: 20px;
}

.filter-input-label {
	padding-top: 3px;
}

.filter-input-element {
	width: 100%;
	padding-left: 10px;
}

.filter-input {
	width: 100%;
	font-size: 16px;
	padding: 2px;
	margin: 0;
	border: 1px solid #c8c8c8;
	border-radius: 5px;
	box-sizing: border-box;
}

.filter-fieldset {
	width: 100%;
}

.action-button {
	width: 100%;
	background-color: #000;
	border-radius: 5px;
	border: none;
	color: #fff;
	font-size: 25px;
	font-weight: 100;
	padding: 10px;
	border: 1px solid #000;
}

.action-button:hover {
	background-color: #f3d0b5;
	color: #000;
	cursor: pointer;
}

/*************** Posts ***************/
#posts {
/*	background-color: red;*/
	display: flex;
	flex-wrap: wrap;
	justify-content: start;
	padding-left: 10px;
}

.post {
	flex: 1;
	margin: 0 10px 20px 10px;
	max-width: 300px;
	border: 1px solid #e0e0e0;
	border-radius: 10px;
	padding: 10px;
}

.post-contents {
	width: 300px;
	height: 300px;
}

.post-image-container img {
	width: 300px;
	height: 200px;
	object-fit: contain;
}

.post-title {
	color: #f68131;
	text-decoration: none;
}

.post-title:hover {
	text-decoration: underline;
}

.post-price {
	border: 1px solid #000;
	border-radius: 5px;
	background-color: #efefef;
	padding: 3px;
	font-size: 12px;
}

/*************** Button ***************/
#sell-something-button {
	position: fixed;
	bottom: 25px;
	right: 25px;
	border-radius: 100%;
	border: none;
	width: 65px;
	height: 65px;
	color: #fff;
	background-color: #f67811;
	font-size: 35px;
	box-shadow: 4px 4px 16px #999;
}

#sell-something-button:hover {
	cursor: pointer;
	width: 70px;
	height: 70px;
	font-size: 37.7px;
	bottom: 22.5px;
	right: 22.5px;
}