.popup{
  position:fixed;
  left:50%;
  mix-blend-mode: screen;
    
  }
.popup .wrapper{
  position:relative; 
  left:-50%;
      
  /*popup-styles*/
  padding:100px;  
    
}

.imgBox { 
width: 274px; 
height: 315px; 
background: url(../images/acid.png) no-repeat; 
}

.imgBox:hover { 
background: url(../images/acid2.png) no-repeat; 
}

@font-face {
    font-family: 'si';
    src: url('fonts/socicon.eot');
    src: url('fonts/socicon.eot?#iefix') format('embedded-opentype'),
         url('fonts/socicon.woff') format('woff'),
         url('fonts/socicon.ttf') format('truetype'),
         url('fonts/socicon.svg#icomoonregular') format('svg');
    font-weight: normal;
    font-style: normal;
 
}
 
@media screen and (-webkit-min-device-pixel-ratio:0) {
    @font-face {
        font-family:si;
        src: url(../fonts/socicon.svg) format(svg);
    }
}

.soc {
		
		text-align: center;
		margin: 0;
		padding: 0;
		position:relative;
    overflow:hidden;
    list-style:none;
    padding:60px;      
}

.soc li {
    display:inline-block;
    *display:inline;
    zoom:1;
}

.soc li a {
    font-family:si!important;
    font-style:normal;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    -ms-box-sizing:border-box;
    -o-box-sizing:border-box;
    box-sizing:border-box;

    -o-transition:.1s;
    -ms-transition:.1s;
    -moz-transition:.1s;
    -webkit-transition:.1s;
    transition:.1s;
    -webkit-transition-property: transform;
    transition-property: transform;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);

    overflow:hidden;
    text-decoration:none;
    text-align:center;
    display:block;
    position: relative;
    z-index: 1;
    width: 36px;
    height: 36px;
    line-height: 36px;
    font-size: 19px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    margin-right: 4px;
    color: #ffffff;
    background-color: none;
}

.soc a:hover {
    z-index: 2;
    
}

.soc-icon-last{
    margin:0 !important;
}

.soc-dribbble {
    background-color: #111111;
}
.soc-dribbble:before {
    content:'D';
}
.soc-behance {
    background-color: #111111;
}
.soc-behance:before {
    content:'H';
}
.soc-facebook {
    background-color: #111111;
}
.soc-facebook:before {
    content:'b';
}

.soc-dribbble:hover {
    background-color: #333333;
}
.soc-behance:hover {
    background-color: #333333;
}
.soc-facebook:hover {
    background-color: #333333;
}


#grad1 {
html, body
    width: 100%;
    height: 100%;
}
body
{
    …
    width: 100%;
    height: 100%;
    background-attachment: fixed;
    background: -webkit-linear-gradient(left, blue , bred); /* For Safari 5.1 to 6.0 */
    background: -o-linear-gradient(right, blue, red); /* For Opera 11.1 to 12.0 */
    background: -moz-linear-gradient(right, blue, red); /* For Firefox 3.6 to 15 */
    background: linear-gradient(to right, blue , red); /* Standard syntax (must be last) */
}