input{
    background:#f1f1f1;
    border:0;
    height:40px;
    width: 100%; 
    padding:0 5px;
    font-family: sans-serif; 
    font-size: 15px 
}
select{
    background:#f1f1f1;
    border:0;
    height:40px;
    width: 100%; 
    padding:0 5px;
    font-family: sans-serif; 
    font-size: 15px
}
optgroup{
    background:#f1f1f1;
    border:0;
    height:40px;
    width: 100%; 
    padding:0 5px;
    font-family: sans-serif; 
    font-size: 5px
}
option{
    background:#f1f1f1;
    border:0;
    height:60px;
    width: 100%; 
    padding:0 5px;
    font-family: sans-serif; 
    font-size: 20px
}
body{
    background:#3498db;
    font-family:sans-serif;
    font-size:15px;color:#777
}
button{
    background:#f1f1f1;
    border:0;
    padding:0 5px;
    font-family: sans-serif; 
    font-size: 20px;
    margin: 50px 0px;
}
body{
    background:#3498db;
    font-family:sans-serif;
    font-size:15px;
    color:#777
}
#file-input{
    padding:0;
    border:1px solid #ddd;
    line-height:44px;
    text-align:left;
    display:block;
    cursor:pointer
}
#bar,#prgbar{
    background-color:#f1f1f1;
    border-radius:10px
}
#bar{
    background-color:#3498db;
    width:0%;
    height:10px
}
form{
    background:#fff;
    max-width:450px;
    margin:75px auto;
    padding:30px;
    border-radius:5px;
    text-align:center
}
.btn{
    background:#3498db;
    color:#fff;
    cursor:pointer;
    height:40px;
    width: 100%; 
}
select {
    appearance: none;
    background-color: #f1f1f1;
    border: 0; 
    padding:0 5px; 
    margin: 0; 
    width: 100%; 
    font-family: sans-serif; 
    font-size: 15px; 
    cursor: inherit; 
    line-height: 35px;
}
.container {
    margin-top: 1em;
  }

.demo-container{
	display:flex;
	align-items: center;
	justify-content: center;
	height:100vh;
}

.demo-container a button{
	border:0;
	padding:12px 32px 12px 32px;
	letter-spacing: 1.2px;
	background:#232329;
	color:#f0f0f0;
	border-radius:30px;
}

.demo-container a:hover button{
	cursor: pointer;
	background: #424249;
	color:white;
}