body {
  margin: 0;
  font-size: 14px;
  font-family: sans-serif;
}
h2 {
  font-weight: 100;
}
.container {
  max-width: 900px;
  margin: auto;
  padding: 15px;
}
.image {
  display: inline-block;
  vertical-align: top;
  width: 200px;
  height: 200px;
}
.image-one {
  background: url(../img/1.jpg) center no-repeat;
  background-size: cover;
}
.image-two {
  background: url(../img/2.jpg) center no-repeat;
  background-size: cover;
}
.image-three {
  background: url(../img/3.jpg) center no-repeat;
  background-size: cover;
}
.image-four {
  background: url(../img/4.jpg) center no-repeat;
  background-size: cover;
}
.button-one {
  border: none;
  font-weight: 700;
  font-size: 14px;
  color: white;
  padding: .5em 2em;
  border-radius: 3px;
  background: #40c781;
  box-shadow: 0 -3px #35a76e inset;
  transition: 0.2s;
}
.button-two {
  display: inline-block;
  color: white;
  padding: .5em 2em;
  border: none;
  border-width: 2px 0;
  border-style: solid none;
  border-color: #FDBE33 #000 #D77206;
  border-radius: 6px;
  background: linear-gradient(#F3AE0F, #E38916) #E38916;
  transition: 0.2s;
}
.image,
.button {
  position: relative;
}
.image:hover::before,
.button:hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}