html,
body {
    height: 100%;
    margin: 0px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.container {
    height: 100%;
}

.vertical-center {
    margin: 0;
    position: absolute;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    margin-right: 16px;

}

.vertical-bottom {
    position: absolute;
    bottom: 20px;
    left: 0;

    margin-left: 16px;
    margin-right: 16px;
    width: calc(600px - 32px);
    
}

.col-content-v {
    display: flex;

    height: 100%;
    justify-content: space-between;
    flex-direction: column;
    padding-bottom: 30px;
  }
  .box {
    background: #0479D9;
    height: 50px;
  }


  .btn-circle {
    width: 30px;
    height: 30px;
    text-align: center;
    padding: 6px 0;
    font-size: 12px;
    line-height: 1.428571429;
    border-radius: 15px;
  }
  .btn-circle.btn-lg {
    width: 50px;
    height: 50px;
    padding: 10px 16px;
    font-size: 18px;
    line-height: 1.33;
    border-radius: 25px;
  }
  .btn-circle.btn-xl {
    width: 70px;
    height: 70px;
    padding: 10px 16px;
    font-size: 24px;
    line-height: 1.33;
    border-radius: 35px;
  }