.fraction-ratio-bridge-page #questions,
.fraction-ratio-bridge-answer-page #answers{
  columns:3;
  column-gap:28px;
}

.fraction-ratio-bridge-page #questions.bridge-long{
  columns:2;
  column-gap:34px;
}

.bridge-item,
.bridge-answer-item{
  break-inside:avoid;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:56px;
  margin:0 0 12px;
  font-size:18px;
  font-weight:600;
}

.bridge-number{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 28px;
  width:28px;
  height:28px;
  border:1.4px solid #222;
  border-radius:50%;
  font-size:13px;
  font-weight:700;
  line-height:1;
}

.bridge-expression{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}

.bridge-fraction{
  display:inline-grid;
  grid-template-rows:auto auto;
  min-width:34px;
  text-align:center;
  vertical-align:middle;
  line-height:1.05;
}

.bridge-fraction-top,
.bridge-fraction-bottom{
  display:block;
  min-width:34px;
  min-height:19px;
  padding:1px 4px;
}

.bridge-fraction-top{
  border-bottom:1.8px solid #222;
}

.bridge-fraction-blank .bridge-fraction-top,
.bridge-fraction-blank .bridge-fraction-bottom{
  min-height:23px;
}

.bridge-fraction-blank{
  min-width:42px;
}

.bridge-fraction-blank .bridge-fraction-top,
.bridge-fraction-blank .bridge-fraction-bottom{
  min-width:42px;
}

.bridge-write-line{
  display:inline-block;
  min-width:72px;
  border-bottom:1.7px solid #222;
  color:transparent;
}

.bridge-ratio-blank{
  display:inline-flex;
  align-items:center;
  gap:6px;
}

.bridge-small-box{
  display:inline-block;
  width:28px;
  height:28px;
  border:1.6px solid #222;
}

.bridge-answer-item{
  min-height:38px;
  margin-bottom:8px;
  font-size:15px;
  font-weight:500;
}

.bridge-answer-value{
  white-space:nowrap;
}

@media (max-width:760px){
  .fraction-ratio-bridge-page #questions,
  .fraction-ratio-bridge-page #questions.bridge-long,
  .fraction-ratio-bridge-answer-page #answers{
    columns:1;
  }
}

@media print{
  .fraction-ratio-bridge-page #questions,
  .fraction-ratio-bridge-answer-page #answers{
    columns:3;
    column-gap:20px;
  }

  .fraction-ratio-bridge-page #questions.bridge-long{
    columns:2;
    column-gap:24px;
  }

  .bridge-item{
    min-height:45px;
    margin-bottom:8px;
    font-size:14.5px;
    gap:7px;
  }

  .bridge-number{
    flex-basis:23px;
    width:23px;
    height:23px;
    font-size:10.5px;
  }

  .bridge-expression{
    gap:5px;
  }

  .bridge-fraction-top,
  .bridge-fraction-bottom{
    min-width:28px;
    min-height:15px;
    padding:0 3px;
  }

  .bridge-fraction-blank,
  .bridge-fraction-blank .bridge-fraction-top,
  .bridge-fraction-blank .bridge-fraction-bottom{
    min-width:34px;
  }

  .bridge-fraction-blank .bridge-fraction-top,
  .bridge-fraction-blank .bridge-fraction-bottom{
    min-height:19px;
  }

  .bridge-small-box{
    width:22px;
    height:22px;
  }

  .bridge-answer-item{
    min-height:30px;
    margin-bottom:5px;
    font-size:12px;
  }
}