.some-css-selector {font-size:13px;} @media only screen and (min-width : 1921px){} @media only screen and (max-width : 1440px){} @media only screen and (min-width : 1200px) and (max-width : 1440px){} @media only screen and (min-width : 1200px){} @media only screen and (max-width: 1199px){} @media only screen and (min-width: 992px) and (max-width: 1199px){} @media only screen and (min-width: 992px){} @media only screen and (max-width: 991px) { } @media only screen and (min-width: 768px) and (max-width: 991px){ }
 @media only screen and (min-width: 768px) { } @media only screen and (max-width: 767px) { } @media only screen and (max-width : 480px) { } @media only screen and (max-width : 320px) { }