body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  padding: 20px;
  background: #f5f7fa;
  color: #333;
}

.container {
  width: 100%;
  overflow: hidden;
  margin-bottom: 40px;
  background: #fff;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(100, 65, 165, 0.15);
  transition: box-shadow 0.3s ease;
}

.container:hover {
  box-shadow: 0 6px 15px rgba(100, 65, 165, 0.3);
}

.box {
  background: #6a4bd7; /* фіолетовий */
  border: none;
  height: 95px;
  width: 220px;
  margin: 8px;
  text-align: center;
  line-height: 95px;
  font-weight: 600;
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(106, 75, 215, 0.6);
  user-select: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
}

.box:hover {
  background: #5529b5; /* темніший фіолетовий */
  box-shadow: 0 4px 12px rgba(85, 41, 181, 0.8);
}

.left {
  float: left;
}

.right {
  float: right;
}

.small {
  width: 220px;
  height: 95px;
  line-height: 95px;
}

.tall {
  height: 200px;
  width: 200px;
  line-height: 200px;
}

.col-right {
  float: right;
  margin-right: 10px;
}

.col-right .box {
  float: none;
  margin: 8px 0;
  width: 200px;
  height: 95px;
  line-height: 95px;
}

.center-wrapper {
  width: 480px;
  margin: 0 auto;
  overflow: hidden;
  border: 2px dashed #6a4bd7;
  border-radius: 12px;
  padding: 15px;
  background: #f3f1fa;
}

.center-column {
  float: left;
  margin-right: 30px;
}

.center-column .box {
  margin: 8px 0;
}

.center-single {
  float: left;
  height: 200px;
  width: 200px;
  line-height: 200px;
}