.danraku2 {
background: linear-gradient(transparent 70%, #00bfff 70%);  
}

.danraku3 {
padding: 0.25em 0.5em;
  color: #494949;
  background: transparent;
  border-left: solid 5px #1e90ff;
}

.danraku4 {
color: #000000;
  padding: 0.5em 0;
  border-top: solid 3px #1e90ff;
  border-bottom: solid 3px #1e90ff;
}
ピンク色マーカ
.pink_line{background:rgba(0, 0, 0, 0)
  linear-gradient(transparent 60%, 
    #FFABCE 0%) repeat scroll 0 0;}

水色マーカ
.blue_line{background: rgba(0, 0, 0, 0)
  linear-gradient(transparent 60%, 
    #A7F1FF 0%) repeat scroll 0 0;}

黄色マーカ
.yellow_line{background: rgba(0, 0, 0, 0)
  linear-gradient(transparent 60%, 
    #FFFF88 0%) repeat scroll 0 0;}