body {
  font-family: "IBM Plex Sans", sans-serif;
}

#error {
  width: 500px;
  margin: 5px auto;
  height: 40px;
  /*      background-color: #F00;*/
  margin-top: 20px;
  padding-left: 10px;
  padding-top: 10px;
  color: #fff;
  font-weight: bold;
  font-size: 15px;
  display: none;
}

.input-group-prepend span {
  width: 50px;
  background: linear-gradient(#3289ec, #165ac0);
  color: #fff;
  border: 0 !important;
}

.card:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 10px 0px 0;
  border-color: #fff #fff #f2f1f1 #f2f1f1;
  -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3),
    -1px 1px 1px rgba(0, 0, 0, 0.2);
  -moz-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3), -1px 1px 1px rgba(0, 0, 0, 0.2);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3), -1px 1px 1px rgba(0, 0, 0, 0.2);
  transition: all ease 0.5s;
}

/*
  on li hover make paper fold larger
*/
.card:hover:before {
  border-width: 0 20px 20px 0;
  border-color: #fefefe #f5f5f5;
}