.flex-content::before {
content: "";
position: absolute;
bottom: 0;
z-index: 10;
100%;
height: 10px;
background-image: -webkit-radial-gradient(
circle,
transparent,
transparent 10px,
#dfe5ed 10px,
#dfe5ed
);
background-image: -moz-radial-gradient(
circle,
transparent,
transparent 10px,
#dfe5ed 10px,
#dfe5ed
);
background-image: radial-gradient(
circle,
transparent,
transparent 10px,
#dfe5ed 10px,
#dfe5ed
);
background-size: 20px 20px;
transform: rotate(180deg);
-webkit-transform: rotate(180deg);
}