* {
  box-sizing: border-box;
}

 

body {
  background-color:#FEDE00;
}

 


.row::after {
  content: "";
  clear: both;
  display: table;
}

 
[class*="col-"] {
  float: left;
  padding: 15px;
}

 


.header {
  background-color: #F51720;
  color: black;
  padding: 15px;
  text-align: center;
}

 

 

li{background-color:#FF4500;
font-size:20px;

 

}

 

.nav {

 

  left:19px;
  background-color: #FF4500;
  padding: 2px;
  color: black;
  font-size: 10px;
  text-align: center;
}

 

 

/* For mobile phones: */
[class*="col-"] {
  width: 100%;
}

 

@media only screen and (min-width: 600px) {
  /* For tablets: */
  .col-s-1 {width: 8.33%;}
  .col-s-2 {width: 16.66%;}
  .col-s-3 {width: 25%;}
  .col-s-4 {width: 33.33%;}
  .col-s-5 {width: 41.66%;}
  .col-s-6 {width: 50%;}
  .col-s-7 {width: 58.33%;}
  .col-s-8 {width: 66.66%;}
  .col-s-9 {width: 75%;}
  .col-s-10 {width: 83.33%;}
  .col-s-11 {width: 91.66%;}
  .col-s-12 {width: 100%;}
}
@media only screen and (min-width: 768px) {
  /* For desktop: */
  .col-1 {width: 8.33%;}
  .col-2 {width: 16.66%;}
  .col-3 {width: 25%;}
  .col-4 {width: 33.33%;}
  .col-5 {width: 41.66%;}
  .col-6 {width: 50%;}
  .col-7 {width: 58.33%;}
  .col-8 {width: 66.66%;}
  .col-9 {width: 75%;}
  .col-10 {width: 83.33%;}
  .col-11 {width: 91.66%;}
  .col-12 {width: 100%;}
}