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


main {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: auto;
  background-image: linear-gradient(
    rgba(36, 184, 172, 0.644),
    rgba(218, 161, 75, 0.5)
  )
  
}

header {
  

  justify-content: center;
  padding-top: 10px;
  margin-left: 3%;
  color: #034255;
}

h1 {
  
  margin-bottom: 50px;
  text-align: center;
  font-size: 1px;
}

.h5header {

  margin: 0%;
  padding: 0%;
  border: black;
  color: rgb(31, 42, 146);
  top: 0%;
  left: 0%;
}

.combo {
  background-color: #c6ebd7;
  color: rgb(10, 10, 10);
  padding: 2px;
  font-size: 14px;
  border: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  max-width: 150px;
  margin: 1px;
}

.inputs {
  
  display: flex;
  flex-wrap: wrap;
  justify-content:left;
  align-items: center;
  max-width: 300px;
  flex: 1 1 80%;
  appearance: none;
  background: none;
  background-color: #0f79c0c9;
  border-radius: 8px;
  padding: 15px;
  border: none;
  outline: none;
  transition: 0.5s ease-in ;
  
}

.input:focus {
  box-shadow: 0px 0px 6px 1px rgba(0, 0, 0, 0.2);
}
#stepOne {
  color: #034255;
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translate(-50%, -50%)
}
#stepTwo {
  color: #034255;
  position: absolute;
  top: 49%;
  left: 50%;
  transform: translate(-50%, -50%)

}




/* .panel-group > div {

  top: 170px;
  left: 25%;
} */

/* #div2 {
  position: absolute center;
   
} */

.fa-solid {
  color: rgb(255, 255, 255);
  padding: 0px 0px 0px 5px;
}
.far {
  color: rgb(255, 255, 255);
  padding: 0px 0px 0px 5px;
}
.dropbtn1 {
  background-color: #04aa6d;
  color: white;
  padding: 16px;
  font-size: 16px;
  border: solid;
  border-radius: 10px;
  cursor: pointer;
}

.dropdown {

  display: inline-block;
  top: 60px;
  left: 48%;
}

.dropdown-content {
  display: none;
  background-color: #28a2e9;
  max-width: 100px;
  box-shadow: 0px 8px 16px 0px rgba(38, 27, 134, 0.2);
  flex-grow: 0;
}

.dropdown-content a {
  color: rgb(0, 0, 0);
  padding: 10px 1px;
  text-decoration: none;
  display: block;
  text-align: center;
  border-bottom: thick double #32a1ce;
}
/* Properties of flow rate figure */
.flow1 {
  display: none;
  width: 1px;
  height: 1px;
  margin: 1px solid;
  top: 30px;
  left: -190px;
  z-index: -1;
}

/*Properties of run time figure  */

.run2 {
  display: none;
  width: 1px;
  height: 1px;
  margin: 1px solid;
  top: -10px;
  left: -180px;
  z-index: -1;
}

#backBtn {
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translate(-50%, -50%)
}

/* First Combo Properties */
.dropdown-content a:hover {
  background-color: rgb(110, 40, 75);
  color: aliceblue;
}


a:hover + div {
  display: block;
  position: relative;
}

.dropdown:hover .dropdown-content {
  display: block;
}


#main-footer {
background: #333;
  color: #fff;
  height: 5rem; }

  /* Pipeline Diameter combo */

#firstCombo{
  
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%)
 
}

/* Velocity Input */
#velTest{
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%)
  
}

/* Run Time Input */
#runTime {
  
  position: absolute;
  top: 57%;
  left: 50%;
  transform: translate(-50%, -50%)
  
}

/* Flowrate Input */
#flowTest{
  position: absolute;
  top: 75%;
  left: 50%;
  transform: translate(-50%, -50%)
}

  #main-footer .footer-content {
    display: flex;
    justify-content: space-between;
    height: 5rem;
    align-items: center; 
}
