*{
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

body,html{
  height: 100%;
  margin: 0;
  background: #000;
}

.background {
  background-image: linear-gradient( #232323ba,#232323ba),url('/static/images/Project-Cost-Estimate.png');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  height: 100%;
  display: flex;
  color: green;
}

.container {
  display: flex;
  flex: 1;
  align-content: center;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.container span {
  text-transform: uppercase;
  display: block;
}

.heading {
  color: white;
  font-size: 60px;
  font-weight: 700;
  letter-spacing: 8px;
  margin-bottom: 20px;
  background: transparent;
  position: relative;
  animation: text 3s 1; animation name, animation duration, animation timing function , animation-delay, animation-iteration-count, animation-direction
}

.subheading {
  font-size: 30px;
  color: #ffe636;
  margin-bottom: 10px;
  animation: text2 3s 1;
  letter-spacing:   8px;
}

@keyframes text {
  0%{
    color: black;
  }
  30%{
    letter-spacing: 25px;
  }
  85%{
    letter-spacing: 8px;
  }
}

@keyframes text2 {
  0%{
    color: black;
  }
   30%{
    letter-spacing: 25px;
  }
  85%{
    letter-spacing: 8px;
  }
}

#contBtn:hover {
  -webkit-box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.41);
  -moz-box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.41);
  box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.41);
  -webkit-transition: all .4s ease;
  -moz-transition: all .4s ease;
  -o-transition: all .4s ease;
  transition: all .4s ease;
  background: transparent;
  color: #8bc34a;
  border: 1px solid #8bc34a;
  padding: .8em 3em;
  box-shadow: 0 0 24px 0 #8bc34abf;
}

#contBtn {
  -webkit-box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.21);
  -moz-box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.21);
  box-shadow: 0px 15px 30px rgba(50, 50, 50, 0.21);
  -webkit-transition: all .4s ease;
  -moz-transition: all .4s ease;
  -o-transition: all .4s ease;
  transition: all .4s ease;
  text-decoration: none;
  background: #8bc34a;
  color: #fff;
  padding: .8em 3em;
  border-radius: 25px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  height: 3rem;
  width: 3rem;
  border-radius: 100rem;
}

.btn-dark {
  color: #fff;
  background-color: #000000;
  border-color: #000000;
}
.m-3 {
  margin: .5rem !important;
} 

.btn-dark:hover:nth-child(1) {
  color:  red;
  box-shadow: 0 0 24px 0  #f55205;
}
.btn-dark:hover:nth-child(2) {
  color:  #167190;
  box-shadow: 0 0 24px 0 #167190;
}
.btn-dark:hover:nth-child(3) {
  color: #234595 !important;
  box-shadow: 0 0 24px 0 #234595;
}
.btn-dark:hover:nth-child(4) {
  color: #86e4fe !important;
  box-shadow: 0 0 24px 0 #86e4fe;
}

.btn-dark:hover:nth-child(5) {
  color: #9a30bb !important;
  box-shadow: 0 0 24px 0 #9a30bb;
}