%hidden {

display: none;

}

%centralized {

margin-right: auto;
margin-left: auto;

}

%content-wrapper {

@extend %centralized;
width: 95%;

/* @media 1024px */
@media (min-width: 1024px) {
  width: 60%;
}

}

%section-commom {

margin-top: 15px;
margin-bottom: 15px;

}

%clearfix {

content: "";
display: block;
clear: both;

}