body {
  min-width: 1200px;
}

header {
  float: left;
  display: inline-block;
  width: 400px;
}

.content {
  float: left;
  margin-left: 50px;
  display: inline-block;
  width: 700px;
}

.content table {
  margin-top: 20px;
  border-collapse: collapse;
}

table td {
  width: 40px;
  height: 40px;
  text-align: center;
}

table tbody td:first-child {
  border: 0;
}

table tbody td {
  border: 1px solid #cccccc;;
}

.control {
  margin-top: 20px;
  margin-left: 40px;
}

.blockage {
  position: absolute;
  width: 43px;
  height: 33px;
  background: red;
  border-top: 10px solid blue;
  left: 672px;
  top: 285px;
  transition: 1s all;
  transform: rotate(0deg);
}