html, body {
  margin: 0;
  height: 100%; /* can also use viewport units (height: 100vh) */
  font-family: verdana;
  font-size: 26px;
}

#container {
  display: flex; /* displays flex-items (children) inline */
  flex-direction: column; /* stacks them vertically */
  height: 100%; /* needs to take the parents height, alternative: body {display: flex} */
}

main {
  flex: 1; /* takes the remaining height of the "container" div */
  overflow: auto; /* to scroll just the "main" div */
}

section {
  height: 100%; /* takes the visible area of the "main" div */
  overflow: auto; /* recommended */
}

header {
		display: flex;
		flex-direction: row;
		justify-content: center;
}

    section:last-child {border: none}
footer {
  height: 4%;
  background-color: rgb(0 128 196);
  color: white;
}

/* customer */
.banner-img{
	width:90%;
  height: 50%;
  padding-right:5%;
  padding-left:5%; 
  padding-top: 2%;
  padding-bottom: 2%;
}
.test-two{
display: flex;
flex-direction: column;
}

.row-one-container{

} 
.row-two-container{

}
#pre-join-info{
	padding: 1%;
	width: 25%;
	
}
#cont-1{
	display:flex;
	flex-grow: 1;
	padding: 1%;
  justify-content: center;
  align-items: center;
  
}
#cont-2{
	display:flex;
	flex-grow: 3;
	padding: 1%;
	text-align: center;
  justify-content: center;
  align-items: center;
  font-size: 23px;
  background-color: rgb(100 128 196);
  color: white;
}
#cont-3{
	display: flex;
	padding-right: 5%;
  padding-left: 5%;
  padding-top: 3%;
  padding-bottom: 1%;
  justify-content: right;
  align-items: right;
  border-top: 8px solid rgb( 255 255 8);
  border-bottom: 8px solid rgb( 255 255 8);
  color: rgb(66 59 55);		
}
#cont-4{
	display: flex;
  justify-content: right;
  align-items: right;
  background-color: rgb(66 59 55);
  color: white;
		
}

/* for pictures */

.picts-across{
	display: flex;
	flex-direction: row;
 	border: 1px solid blue;
 	/* align-item: right; */
 	justify-content: center;
 	width: 100%;
}
#tst-txt{
	width: 100%;
	padding: 3%;
}
p{
padding: 1%;
}

#err-mssg{
  font-size: 18px;
  color: silver;
}
#tst-email{

}

/* for placehold */
::-webkit-input-placeholder {
  font-size: 25px;
}
::-moz-placeholder {
  font-size: 25px;
}
:-ms-input-placeholder {
  font-size: 25px;
}
::placeholder {
  font-size: 25px;
}

/* for submit button */
.button {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 5px 15px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 35px;
  height: 50px;
}

#pre-email{

  color: blue;
  font-size: 20px;
}

/* responive */
@media only screen and (max-width: 600px){
	header{
		flex-direction: column;
	}

  .test-two{
  	flex-direction: column;
  }
  
  #cont-3{
    width: 94%;
    padding: 3%;
  }
  #cont-4{
  	width: 100%
  }
  .tst-email{
  height: 100%;
  }

  .banner-img{
    width:90%;
    height: 25%;
    padding-right:5%;
    padding-left:5%; 
    padding-top: 2%;
    padding-bottom: 2%;
  }
  #pre-email{
    width: 95%;
  }
  
}