* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  --color : linear-gradient(to bottom, pink, cornflowerblue);

  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--color);
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  width: 400px;
  padding: 20px 20px 20px;
  background-color: white;
  border-radius: 0.9rem;
  box-shadow: 0 0 10px black;

  display: flex;
  justify-content: center;
  flex-direction: column;
}
.labels {
  height: 50px;
  width: 100%;
  border-radius: 30px;
  margin-bottom: 20px;
  position: relative;

  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: nowrap;
}
.labels > label {
  width: 30%;
  border-radius: 30px;
  font-size: 18px;
  z-index: 2;

  position: relative;
  display: flex;
  cursor: pointer;
  justify-content: center;
  align-items: center;
}
label:nth-child(2) {
  width: 40%;           /*Thoda bada word h*/
}


#tab-1:checked ~ .labels .tab-1,
#tab-2:checked ~ .labels .tab-2,
#tab-3:checked ~ .labels .tab-3 {
  color: #fff;         /*if selected then text- color*/
}

.slider {
  position: absolute;
  height: 100%;
  border-radius: inherit;

  transform: translateX(-50%);

  background: var(--color);
  transition: all 0.3s ease;
}

/*For the slider to swipe. Translating over X-axis*/
#tab-1:checked ~ .labels > .slider {
  left: 2%;
  width: 90px;
  transform: translateX(0%);
}
#tab-2:checked ~ .labels > .slider {
  left: 50%;
  width: 120px;
  transform: translateX(-50%);
}
#tab-3:checked ~ .labels > .slider {
  left: 98%;
  width: 90px;
  transform: translateX(-100%);
}

.container > input {
  display: none;       /*Radio*/
}

.cards-container {
  overflow: hidden;
  border-radius: 20px;
}
.cards {
  width: 300%;             /*3 card width*/
  display: flex;
  text-align: center;
  flex-direction: row;     /*important*/
}
.card {
  width: 33.3%;
  height: 400px;
  font-size: xx-large;

  display: flex;
  justify-content: center;
  align-items: center;

  color: white;
  background: linear-gradient(140deg, grey, black);
}
.cards .card-1 {
  transition: all 0.5s ease;
}

/*For card swipe decreasing margins*/
#tab-1:checked ~ .cards-container .cards > .card-1 {
  margin-left: 0%;
}
#tab-2:checked ~ .cards-container .cards > .card-1 {
  margin-left: -33.5%;
}
#tab-3:checked ~ .cards-container .cards > .card-1 {
  margin-left: -66.8%;
}