@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@400;500;600&display=swap');
body {
    font-family: 'Work Sans', sans-serif;
}
/* body background */
.color__grey {
    background-color: #f5f5f5;
}
/* search bar */
.search__form {
    width: 40rem;
    margin: 3rem auto;
}
.search__btn {
    padding: 8px 24px;
}
.search__form .search__bar:focus {
    box-shadow: 1px 1px 3px 1px #1266f1;
}

.h3 {
    font-size: 2rem;
}

/* card */
.card{
    transition: all .3s;
}
.card:hover {
    transform: scale(1.05);
}
.card.card__notHover {
    transform: scale(1);
}
.card-title {
    font-size: 1.3rem;
}
/* top card */
.card__grback {
    background-image: linear-gradient(105deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.9) 65%, #1266f1 65%, #1266f1 100%);
}
.card__left {
    width: 60%;
}
.card__url {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}
.card__url__icon {
    display: inline-block;
    margin-right: 1rem;
    font-size: 1.4rem;
}
.card__intro {
    font-size: .9rem;
    line-height: 1.5rem;
}
/* rank card */
.card__rank__title {
    font-weight: 500;
}
.card__rank__title i {
    display: inline-block;
    margin-right: .5rem;
    font-size: 1.2rem;
}
.sub__date {
    padding: .3rem .75rem;
}
.rank__mark {
    font-size: 1.4rem;
    line-height: 1.4rem;
}
.rank_num {
    font-size: 2rem;
}
/* chart */
.chart {
    width: 600px;
    height:220px;
    margin:1.5rem auto;
}

.add__words {
    line-height: 1.3rem;
}

.keyword_total {
    font-weight: 500;
    text-align: center;
}
.keyword_total > strong {
    font-size: 1.6rem;
}
.keyword_add {
    margin: 1rem auto;
}

.group__btn {
    border-radius: 10px;
    margin-bottom: 1rem;
}
.btn-group .btn__benefit {
    border: 1px solid grey;
    background-color: white;
    padding: .5rem;
    width: 8rem;
    font-size: .9rem;
    transition: all .4s;
}
  
  .btn-group .btn__benefit:nth-of-type(1) {
    border-radius: 5px 0  0 5px;
  }
  .btn-group .btn__benefit:nth-of-type(2) {
    border-radius: 0 5px 5px 0;
  }
  .btn-group .btn__benefit:hover {
    background-color: grey;
    color: white;
  }
  
  .btn-group .btn__benefit.active {
    background-color: grey;
    color: white;
  }