View file design/css/default.css

@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap');
body {
	background: #efefef;
	font-family: 'Open Sans', sans-serif;
	font-size: 16px;
}

body, html {
	padding: 0;
	margin: 0;
}

a {
	text-decoration: none;
}

.container {
	width: 600px;
	margin: 0 auto;
	border: 1px solid #dfdfdf;
	margin-top: -1px;
}

.header {
	background: #6f93ad;
	padding: 10px;
	display: flex;
}

.logo {
	padding: 10px 15px!important;
	border-radius: 4px;
	display: inline-block;
	color: #fff;
}

.nav {
	margin-left: auto;
	display: inline-block;
}

.nav-item {
	padding: 10px 15px;
	display: inline-block;
	color: #fff;
	border: 1px solid #6589a2;
	border-radius: 4px;
}

.nav-item:hover {
	background: #5c7f98;
	border: 1px solid #54748a;
	padding: 10px 15px!important;
}

.section {
	background: #fff;
	padding: 5px;
}

.post {
	background: #fff;
	color: #555;
	border: 1px solid #dfdfdf;
	display: flex;
	padding: 5px;
	margin-bottom: 5px;
	position: relative;
}

.footer {
	background: #444;
	padding: 10px;
	color: #ccc;
}

.postIMG {
	width: 200px;
	height: auto;
	float: left;
	border: 1px solid #dfdfdf;
}

.postIMG IMG {
	width: 200px;
	height: auto;
	margin-bottom: -5px;
}

IMG {
	padding: 0;
	margin: 0;
}

.postText {
	margin-left: 10px;
}

h1 {
	padding: 0;
	margin: 0;
	font-size: 18px;
}

.postSub {
	position: absolute;
	bottom: 5px;
	right: 10px;
	padding: 10px;
	display: block;
}

.more {
	background: #5f6569;
	padding: 5px 10px;
	color: #fff;
	font-size: 13px;
	display: inline-block;
	margin-left: -5px;
}

.subs {
	background: #6f93ad;
	padding: 5px 10px;
	color: #fff;
	font-size: 13px;
	display: inline-block;
}

.login {
	margin: 5px;
	border: 1px solid #dfdfdf;
}

.login_form {
	margin: 0;
	padding: 10px;
}

.login_header {
	background: #f1f1f1;
	color: #555;
	text-align: center;
	padding: 15px;
	border-bottom: 1px solid #dfdfdf;
}

.login_form input[type="text"] {
	background: #fff;
	padding: 10px;
	color: #444;
	border: 1px solid #ccc;
	width: 100%;
	box-sizing: border-box;
}

.login_form input[type="password"] {
	background: #fff;
	padding: 10px;
	color: #444;
	border: 1px solid #ccc;
	width: 100%;
	box-sizing: border-box;
}

.login_form input[type="submit"] {
	background: #6f93ad;
	padding: 10px;
	color: #fff;
	border: 1px solid #557790;
	width: 100%;
	font-size: 16px;
	cursor: pointer;
}

.button05 {
	background: #6f93ad;
	padding: 10px;
	color: #fff;
	border: 1px solid #557790;
	width: 50%!important;
	font-size: 14px;
	display: inline-block;
	margin-right: 2px;
}

.button05:last-child {
	margin-right: 0;
}
/*.logo:hover {
	background: #5c7f98;
	border: 1px solid #54748a;
	padding: 9px 14px!important;
}*/
@media screen and (max-width: 780px) {
	.container {
		width: 100%;
	}
}