body {
    font-family: 'Work Sans';
}


#introduction {
    background: linear-gradient(rgba(100,181,246 ,1), rgba(0,0,0,0.8)), url('http://bit.ly/2fBj6OJ') 0% 0%/cover
}

.fill-viewport{
    min-height: 100vh
}

.fill-80-viewport{
    min-height: 80vh
}

.fill-40-viewport{
    min-height: 40vh
}

.text-white-70{
    color: rgba(255, 255, 255, 0.7);
}

.text-black-40 {
    color: rgba(0,0,0,0.4)
}

.bg-dark{
    background: #262F36;
}

.github-link {
  width: 60px;
  height: 60px;
  position: absolute;
  display: block;
  top: 0;
  right: 0;
  z-index: 1000;
}

.github-link .bg {
  fill: #fff;
  fill-opacity: 0.2;
}

.github-link:hover .bg {
  fill-opacity: 0.3;
}

.github-link .icon {
  fill: #fff;
  fill-opacity: 0.6;
}

.github-link:hover .icon {
  fill-opacity: 0.7;
}

@media screen and (min-width: 768px){
    .basis-md-50{
        flex-basis: 50%;
    }
}

.list-border-y li{
    border-top: 1px solid;
}

.list-bordyer-y li:last-child{
    border-bottom: 1px solid;
}

.list-border-black-20 li,
.list-border-black-2o li:last-child{
    border-color: rgba(0,0,0,0.2)
}