body {
  font-family: 'Rubik', Arial, sans-serif;
  background: #f5f6f8;
  padding: 40px;
}

.container {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  max-width: 900px;
  margin: auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

h2 {
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: #111;
  color: #fff;
}

th, td {
  padding: 12px;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

tbody tr:hover:not(.disabled) {
  background-color: #f0f7ff;
  cursor: pointer;
}

input[type="radio"] {
  transform: scale(1.2);
  cursor: pointer;
}

.disabled {
  color: #999;
  background: #fafafa;
}

button{
  padding: 12px 1rem;
  background-color: #999;
  /* font-weight: bold; */
  font-family: 'Rubik', Arial, sans-serif;
  font-size: 1.1rem;
  border-radius: 10px;
  appearance: unset;
  outline: none;
  margin-top: 1rem;
  border: 1px solid blue;
  background-color: #0d6efd;
  color: #f0f7ff;
  transition: all .3s;
}

button:hover{
  background-color: #0e284e;
}

@media only screen and (max-width: 600px) {
  body{
    padding:  0;
    margin: 0;
  }
  .container{
    background: none;
    margin: 0 auto;
  }
}