/*flex box*/
#abert {
margin:0 auto;
text-align:center;
width: 100%;
display: block;  vertical-align: text-top;
}
.c1{
  display: inline-block; vertical-align: text-top;
width: 28%; padding:1%;
}
.c2{display:inline-block; vertical-align: text-top; width: 68%; padding:1%;}
.c3{display:inline-block; vertical-align: text-top; width: 48%; padding:1%;}
#abert h1{font-size: 36px!important;}
@media screen and (max-width: 800px) {
.c1, .c2, .c3{
width: 96%; text-align: center;
}
}