*{margin:0;padding:0}
.main .head {
  overflow-x: auto;
}
.main .scroll{
  height: 30px;
  width: calc(120px * 16);
}

.main .head .daytitle {
  height: 30px;
  line-height: 30px;
  width: 120px;
  text-align: center;
  float: left;
  display: inline;
  border: 1px solid #ccc;
  box-sizing: border-box;
  border-right: none;
}