.ball {
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
  color: #FFFFFF;
  /* box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2); */
  user-select: none;
  padding: 5px;
}


.is-blue {
  background: linear-gradient(180deg, #31CAF5 0%, #198CFF 100%);
}

.is-red {
  background: linear-gradient(180deg, #FE8A5C 0%, #FF4D4D 100%);
}

.is-green {
  background:  linear-gradient(180deg, greenyellow 0%,  green 100%)
}


.is-blue.is-choose{
  background: transparent !important;
  border:1px solid #198CFF;
  color:#198CFF;
}


.is-red.is-choose{
  background: transparent !important;
  border:1px solid #FF4D4D;
  color:#FF4D4D;
}

.is-choose {
  user-select:auto !important;
  cursor: pointer;
}


