* {box-sizing: border-box;}

body,h1 {font-family: "Raleway", Arial, sans-serif}
h1 {letter-spacing: 6px}

.w3-row-padding img {
  margin-bottom: 12px
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.img-comp-container {
  position: relative;
  width: 400px;
  height: 300px;
  margin: auto;
  overflow: hidden;

}
.img-comp-img {
  position: absolute;
  width: auto;
  height: auto;
  overflow: hidden;
}

.img-comp-img img {
  display: block;

}

.img-comp-slider {
  position: absolute;
  z-index: 9;
  cursor: ew-resize;
  
  width: 40px;
  height: 40px;
  background-color: #b53838;
  opacity: 0.7;
  border-radius: 50%;
}
.footer {
  margin-top: 60px;
  padding: 40px 20px;
  text-align: center;
  background: #1f1e1eb0;
  color: #fff;
}

.footer h3 {
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.footer p {
  margin: 5px 0;
  font-size: 14px;
}

.footer .small {
  margin-top: 15px;
  font-size: 12px;
  color: #aaa;
}