gistfile1.txt

@import url('https://fonts.googleapis.com/css?family=Open+Sans');
@import url('https://fonts.googleapis.com/css?family=Lato');

body {
  font-family: 'Lato', sans-serif;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  font-size: 20px;
  line-height: 1;
}

a   {
  color: blueviolet;
  text-decoration: none;
  font-weight: 600; 
}

.Hero {
  background:url('../images/iceberg-bw.jpg');
  height: 100vh;
  background-color: black;
  background-size: cover;
  background-position: center;
  position: relative;
}


/* .Blackground {
  position: absolute;
  height: 500px;
  width: 500px;
  left: 100;
  top: 100px;
  background-color: rgb(235, 136, 15);
  background-size: cover;
  background-position: center;
  position: relative;
  opacity: 0;
  animation: BackgroundAnimation;
  -webkit-animation: BackgroundAnimation;
  animation-duration: 2s;
  animation-delay: 2s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.2, 0.82, 0.165, 1);
} */

.HeroGroup  {
  margin: 0 auto;
  max-width: 800px;
  padding: 185px 50px;
  text-align: center;
}

.Hero h1  {
  margin: 0;
  color: rgb(137, 245, 82);
  font-size: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.2;
  opacity: 0;
  animation: HeroAnimation;
  -webkit-animation: HeroAnimation;
  animation-duration: 2s;
  animation-delay: 0s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.2, 0.82, 0.165, 1);
}

.Hero p {
  color: rgba(255 , 255,255, 0.8 );
  font-size: 60px;
  line-height: 1.5;
  opacity: 0;
  animation: HeroAnimation 3s forwards cubic-bezier(0.075, 0.82, 0.165, 1);
  -webkit-animation: HeroAnimation 3s 0.4s forwards cubic-bezier(0.075, 0.82, 0.165, 1);
  animation: HeroAnimation;
  -webkit-animation: HeroAnimation;
  animation-duration: 2s;
  animation-delay: 0s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.2, 0.82, 0.165, 1);
}

.Hero a {
  font-size: 17px;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.7);
  padding: 9px  20px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  outline: none;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -ms-border-radius: 20px;
  -o-border-radius: 20px;
  transition: 1s cubic-bezier(0.075, 0.82, 0.165, 1);
  -webkit-transition: 1s cubic-bezier(0.075, 0.82, 0.165, 1);
  -moz-transition: 1s cubic-bezier(0.075, 0.82, 0.165, 1);
  -ms-transition: 1s cubic-bezier(0.075, 0.82, 0.165, 1);
  -o-transition: 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.Hero  a:hover {
  outline: none;
  background: white;
  color: black;
}

@media (max-width:640px)  {
  .HeroGroup  {
    padding: 100px 20px;
  }

  .Hero h1    {
    font-size: 40px;
  }

  .Hero p     {
    font-size: 24px;
  }
}

@keyframes  HeroAnimation {
  0%  {
    opacity: 0;
    transform: translateY(20px)  ;
    -webkit-transform: translateY(20px)  ;
    -moz-transform: translateY(20px)  ;
    -ms-transform: translateY(20px)  ;
    -o-transform: translateY(20px)  ;
  }
  100%{
    opacity: 1;
    transform: translateY(0px)  ;
    -webkit-transform: translateY(0px)  ;
    -moz-transform: translateY(0px)  ;
    -ms-transform: translateY(0px)  ;
    -o-transform: translateY(0px)  ;
  }
}
@keyframes  BackgroundAnimation {
  0%  {
    opacity: 0;
    transform: translateY(20px)  ;
    -webkit-transform: translateY(20px)  ;
    -moz-transform: translateY(20px)  ;
    -ms-transform: translateY(20px)  ;
    -o-transform: translateY(20px)  ;
  }
  100%{
    opacity: 1;
    transform: translateY(0px)  ;
    -webkit-transform: translateY(0px)  ;
    -moz-transform: translateY(0px)  ;
    -ms-transform: translateY(0px)  ;
    -o-transform: translateY(0px)  ;
  }
}

.Hero svg {
  position: absolute;
  bottom: 0;
  left: 0;

}

.CardGroup  {
  margin: 50px 40px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 40px;
  justify-items: center;
}

@media (max-width: 1060px) {
  .CardGroup {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .CardGroup {
    grid-template-columns: repeat(1, 1fr);
  }
}