SemanSemantic-UItic-UI/build/examples/feed.css

/*******************************
            Global
*******************************/

html,
body {
  font-size: 15px;
  height: 100%;
}

body {
  font-family: "Open Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  background: #FFFFFF;
  margin: 0px;
  padding: 0px;
  color: #555555;
  text-rendering: optimizeLegibility;
  min-width: 320px;
}

.ui.header {
  font-family: 'Source Sans Pro', "Helvetica Neue", "Helvetica", "Arial", sans-serif;
}

/*******************************
            Global
*******************************/


/*-------------------
        Grid
--------------------*/

#feed .grid {
  height: 100%;
}
#feed > .grid > .column {
  height: 100%;
}

/*-------------------
        Menu
--------------------*/

#feed .left.column {
  background-color: #333333;
  min-width: 260px;
}
#feed .left.column > .menu {
  height: 100%;
}


/*-------------------
       Inbox
--------------------*/

#feed .inbox {
  background-color: #FFFFFF;
}
#feed .inbox .item {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
#feed .middle.column {
  padding: 1em 2em;
}

#feed .right.column {
  padding: 1em 2em;
  background-color: #FFFFFF;
}


/*******************************
          Responsive
*******************************/


@media only screen and (max-width : 1000px) {
  #feed .inbox .date {
    float: none;
    margin-bottom: 0.5em;
  }
}

@media only screen and (max-width : 1250px) {
  #feed .left.column > .menu .item {
    font-size: 1rem;
  }
}