.mobile-border:after {
content: '';
width: 200%;
height: 200%;
position: absolute;
top: 0;
left: 0;
border: 1px solid #188eee;
border-radius: 18px;
-webkit-transform: scale(0.5, 0.5);
transform: scale(0.5, 0.5);
-webkit-transform-origin: top left;
}