* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  color: #89867e;
  background: #FCFBE3;
}

.container {
  height: 100%;
  width: 95%;
  margin: 30px auto;
}

.page-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 25px;
}

.page-about {
  margin-bottom: 25px;
  text-align: center;
  font-size: 30px;
}

.page-author i { color: #2ECC71; }

.present-sliders { margin-top: 80px; }

.slider {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px 0;
  border-top: 4px solid #0E83CD;
  border-bottom: 4px solid #0E83CD;
  border-radius: 1px;
}

.slider:nth-of-type(n+2) { border-top: 0; }

.slider-title {
  text-transform: uppercase;
  color: #0E83CD;
}

.description-list {
  margin-top: 15px;
  list-style-type: none;
}

.smerf-container {
  position: relative;
  width: 90%;
  margin: auto;
  height: 300px;
  margin-top: 30px;
}

.smerf-item {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  font-size: 40px;
  color: white;
  border: 6px solid white;
  box-shadow: 0 0 3px 2px black;
  transition-property: opacity;
}

.smerf-item:nth-of-type(1) { background: #69D2E7 }

.smerf-item:nth-of-type(2) { background: #FA6900 }

.smerf-item:nth-of-type(3) { background: #1FDA9A }

.smerf-item:nth-of-type(4) { background: #E8B71A }

.smerf-item:nth-of-type(5) { background: #9B539C }

.smerf-item:nth-of-type(6) { background: #354458 }

.smerf-item:nth-of-type(7) { background: #75EB00 }

.smerf-item:nth-of-type(7) { background: #DA4624 }
 @media(min-width: 680px) {

.container { width: 600px; }
}
@media(min-width: 980px) {

.container { width: 800px; }
}
@media(min-width: 1200px) {

.container { width: 1000px; }
}
@media(min-width: 1500px) {

.container { width: 1300px; }
}