* {
  margin: 0;
  padding: 0;
  font-family: sans-serif, "Poppins";
  box-sizing: border-box;
}

.container {
  width: 100%;
  min-height: 100vh;
  background: #d0eaff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product {
  width: 90%;
  max-width: 750px;
  display: flex;
}
.gallery {
    position: relative;

  flex-basis: 47%;
  background: #241e20;
  transform: scale(1.08);
  box-shadow: -10px 5px 10px 10px rgba(0, 0, 0, 0.1);
}
.gallery img {
  width: 100%;
  display: block;
  padding: 100px 0 0 0;
}
.details {
  flex-basis: 53%;
  background: #fff;
  padding: 40px;
  padding-left: 60px;
  box-shadow: -10px 5px 10px 10px rgba(0, 0, 0, 0.1);
  font-size: 13px;
  font-weight: 500;
  color: #777;
}
.details h1 {
  color: #333;
  font-size: 35px;
}
.details h2 {
  color: #555;
  font-style: 30px;
  font-weight: 600;
}
.details h3 {
  color: #00d874;
  margin-bottom: 20px;
}
.details form {
  font-size: 15px;
  font-weight: 400;
}
.color-select,
.ram-select {
  display: flex;
  align-items: center;
  margin-top: 50px;
}
.color-select p,
.ram-select p {
  width: 70px;
}

.ram-select input:checked + span {
  color: blue;
  font-weight: 100;
}
.color-select input,
.ram-select input {
  display: none;
}

.ram-select span {
  padding: 0 5px;
  margin: 0 10px 0 0;
  cursor: pointer;
}

.color-select span {
  display: inline-block;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  margin-right: 15px;
  cursor: pointer;
}
.color-1 {
  background: #000;
}
.color-2 {
  background: #777;
}
.color-select input:checked + span {
  transform: scale(0.7);
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px #000;
}
.emiPlan-select {
  display: flex;
  align-items: center;
  margin-top: 20px;
}
.emiPlan-select input {
  padding: 2px 2px 2px 15px;
  background: #eee;
  border: 0;
  outline: 0;
  width: 50px;
  font-size: 15px;
  border-radius: 12px;
}
form button {
  background: #553ff0;
  color: #fff;
  font-size: 17px;
  width: 100%;
  padding: 10px;
  border-radius: 30px;
  border: 0;
  outline: 0;
  margin-top: 50px;
  box-shadow: 0 10px 10px rgba(85, 63, 240, 0.25);
  cursor: pointer;
}
.controls {
  position: absolute;
  bottom: 40px;
  right: 20px;
}
.btn {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  margin: 10px;
  cursor: pointer;
}
.btn.active{
    background: #553ff0;
}