/** COMMON **/
.hidden {
  display: none;
}

.btn {
  position: relative;
}

/** MAIN **/
html,
body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
html {
  background: #333;
}
body {
  position: absolute;
  background-size: cover;
  background-position: center center;
  color: #fdfdfd;
  border: 0;
}
input {
  background: none;
  appearance: none;
  border: none;
  font-size: 20px;
}
input::placeholder {
  color: #fdfdfd;
}

.center {
  display: flex;
  flex-direction: column;
  position: absolute;
  width: 40vw;
  min-width: 700px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.go-test-wrap {
  position: fixed;
  bottom: 40px;
  right: 40px;
  opacity: 0;
}
.circle-btn {
  border-radius: 50%;
  box-shadow: rgb(0 0 0 / 5%) 0px 0px 2px 1px, rgb(0 0 0 / 15%) 0px 4px 16px,
    rgb(255 255 255 / 12%) 0px 0px 2px inset;
}
.circle-btn > a {
  display: inline-block;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid #fff;
  background-image: url('../img/common/go-next-circle-fff.svg');
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.8;
}
/* .circle-btns > .btn::before,
.circle-btns > .btn::after {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.circle-btns > .btn::before {
  width: 18px;
  height: 1px;
  background-color: #fff;
}
.circle-btns > .btn::after {
  left: 52%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 14px;
  height: 14px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
} */