HI,

Your problem has been fixed , pls. check your page.

I used following css:

/*CUSTOM CSS*/
.transparent-header-background {
    background-color: rgba(38, 38, 38, 0.67) !important;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}
#site-header.fixed.shrink .transparent-header-background {
    background-color: rgba(255,255,255,0.95) !important; 
}
.top-area-contacts div:before {
    display: none !important;
}    
.top-area-block {
    color: #fff !important;
}
.top-area-block a {
    color: #fff !important;
}
.top-area-block a:hover {
    color: #d39a26 !important;
}
.top-area {
    border: none !important;
    background-color: #202020;
}
.top-area {
    z-index: 999;
    position: relative;
}
.top-area-block.top-area-button {
    float: right;
}
@media (max-width: 1199px) {
    .row > * {
    margin-top: 0em !important;
    }
}
@media (min-width: 1921px) {
.custom-cover .fullwidth-block.clearfix{
        background-size: cover;
    }
}
@media (max-width: 768px) {
  .custom-font .title-h1{
    font-size: 80px !important;
    line-height:80px!important;
  }  
  .custom-cover .fullwidth-block{
    background-image: url("http://e-gyradiko.gr/wp-content/uploads/2016/06/28.jpg") !important;
  }
}
@media (max-width: 425px) {
  .custom-font .title-h1{
    font-size: 60px !important;
    line-height:60px!important;
  }  
}