*{
	position: relative;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
.container{
	position: relative;
	width: 100%;
	min-height: 100vh;
	background: url('bg.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}
.container:before{
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: url('splash.png');
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
	mix-blend-mode: screen;
}

 .file
         {
		 padding: 25px;
         float: center;
		 text-align: center;
         background-color:violet;
         }

.responsive {
  width: 30px;
  height: auto;
}


.footer {
   position: fixed;
   padding: 25px;
   height: 80px;
   font-weight: bold ;
   font-size: 25px;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: black;
   color: white;
   text-align: center;
}