about.css

/* Trying something new here on this page... */
@import url('https://fonts.googleapis.com/css?family=Montserrat:400,500,600,700');
#navabout {
	margin: 10px 375px 0px 415px; /* All margins are different */
}

nav ul { /* Navigation Bar */
	position: relative;
	list-style-type: none;
	padding: 5px 0px 5px 0px;
}

nav ul li {
	display: inline-block;
	padding: 5px 25px 5px 20px;
}

a:link, a:visited {
	text-decoration: none;
}

#navabout ul li a:link, #navabout ul li a:visited {
	color: #954b4b;
	border-bottom: black;
	font-weight: bold;
	text-shadow: 1px 1px 3px #e2c2c2; 
	text-transform: uppercase
}

li.selected, li:hover {
	background-color: #c8b99c;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Montserrat', sans-serif; /* Another Web font */
}

header {
	margin: 0 auto;
	width: 70%;
}

a {
  transition: all .5s;
  text-decoration: none;
  color: #fff;
}

img {
  width: 100%;
  transition: all .5s;
}

section {
  padding: 10px 0;
  margin-top: 50px;
  text-align: center;
}

.container1 {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

main {
  display: grid; /* New grid display! */
  grid-template-columns: 1, 1fr;
  margin: 30px 15px 0px 15px;
}

#menuheader {
  margin: 1%;
  font-size: 50px;
  text-align: center;
  text-shadow: 0px 0px 3px #FF0000;;
}

#boxheader {
  margin: 4%;
  font-size: 20px;
  color: white;
  text-align: center;
  text-shadow: 0px 0px 3px #FF0000;;
}

.singleabout { /* All NEW */
  position: relative;
  overflow: hidden;
  max-height: 580px;
  margin-left: 300px;
  margin-right: 300px;
  height: 100%;
  box-sizing: border-box; /* Box properties... */
  box-shadow: 0 2px 10px #ccc;
  transition: all .5s;
}

.singleabout:hover { /* Makes box responsive */
  box-shadow: 0 2px 13px #ccc;
  transition: all .5s; /* Transition when hovering */
}

.singleabout:hover img { /* Again, more responsive! */
  transform: scale(1.1); 
  transition: all .4s;
}

.aboutContent {
  position: absolute;
  left: 0;
  bottom: -60px;
  width: 100%;
  color: #fff;
  padding: 10px 5px;
  background: linear-gradient(red, yellow); /* NEW, linear gradient */
  transition: all .5s;
}

.singleabout:hover .aboutContent {
  bottom: 0;
  transition: all .5s;
}
 
.aboutContent h3 {
  font-size: 20px;
  font-weight: 500;
  margin: 0;
}

.aboutContent h3 span {
  display: block; /* New display style */
  font-size: 60%;
  margin-top: 5px;
  font-weight: 600;
  color: white;
}
 
.aboutContent a {
  font-size: 14px;
  font-weight: 500;
}

.aboutContent .btn {
  display: inline-block; /* Inline block display */
  padding: 5px 10px;
  border: 1px solid #fff;
  border-radius: 3px; 
  font-weight: 400;
}

.aboutContent .btn:hover {
  background: rgba(243, 243, 21,1.0); /* Use of rgba [including 1.0] */
  transition: all .5s;
  text-decoration: none;
}
.aboutContent a:hover {
  text-decoration: underline;
} /* A lot of properties surround .aboutContent */

#box {
  padding: 0px;
  background: linear-gradient(red,yellow); /* Never taught linear gradient */
  border: 1px solid black;
  opacity: 0.8;
  filter: alpha(opacity=60); /* Filter */
}

#box p {
  margin: 4%;
  font-weight: bold;
}