style.css

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
h1 {
  text-align: center;
}
.sush {
  background-color: gray;
  border: 1px solid black;
}
.beef {
  background-color: olivedrab;
  border: 1px solid black;
}
.chic {
  background-color: orchid;
  border: 1px solid black;
}

.title {
  position: absolute;
  right: 0px;
  top: 0px;
  margin: 0;
  padding: 5px 15px 5px 15px;
  font-weight: bold;
  letter-spacing: 2px;
}
.span1 {
  /* display: inline-block; */
  float: left;
  /* width: 32%; */
  background-color: gainsboro;
  margin-left: 10px;
  padding: 5px;
  padding-top: 7%;
  position: relative;
  border: 1px solid black;
}
@media (min-width: 992px) {
  .span1 {
    /* display: inline-block; */
    /* float: left; */
    width: 32%;
    /* background-color: gainsboro;
    margin-left: 10px;
    padding: 5px;
    padding-top: 7%;
    position: relative; */
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .a1,
  .a2 {
    width: 48%;
    float: left;
  }
  .a1 {
    margin-right: 10px;
  }
  .a3 {
    margin: 30px 10px 30px 10px;
  }
}
@media (max-width: 767px) {
  .span1 {
    display: block;
    margin: 10px 30px 10px 30px;
  }
}