.avia-section.av-hcmk4-807307e1581580b78bc7d1b4f67530ac{
background-repeat:no-repeat;
background-image:url(https://rua.edu.vn/wp-content/uploads/2016/05/kn-critical-thinking.jpg);
background-position:50% 50%;
background-attachment:scroll;
}
.avia-section.av-hcmk4-807307e1581580b78bc7d1b4f67530ac .av-section-color-overlay{
opacity:0.7;
background-color:#000000;
}

.flex_column.av-4nsaak-d7fc00225ec3502dc20642e50f59d9eb{
-webkit-border-radius:0px 0px 0px 0px;
-moz-border-radius:0px 0px 0px 0px;
border-radius:0px 0px 0px 0px;
}

#top .av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2{
padding-bottom:0px;
font-size:50px;
}
body .av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2 .av-special-heading-tag .heading-char{
font-size:25px;
}
#top #wrap_all .av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2 .av-special-heading-tag{
font-size:50px;
}
.av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2 .av-subheading{
font-size:15px;
}

#top .avia-gallery.av-mbwddmhq-fd59480606a46f1a3541c88f453dc9cb .avia-gallery-thumb a{
width:20%;
}


@media only screen and (min-width: 480px) and (max-width: 767px){ 
#top #wrap_all .av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2 .av-special-heading-tag{
font-size:0.8em;
}
}

@media only screen and (max-width: 479px){ 
#top #wrap_all .av-special-heading.av-4m2q8s-a81afb93c71e684309ace95b190668a2 .av-special-heading-tag{
font-size:0.8em;
}
}