.se-pre-con {
  position: fixed;
  left: 0px;
  top: 150px;
  width: 100%;
  height: 100px;
  z-index: 9999;
  background-repeat: no-repeat;
  background-position: center;
}

.nopadding {
  padding: 0 !important;
}
.toBottom {
  position: fixed;
  bottom: 0;
}

html {
  height: 100%;
}
body {
  user-select: none;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  overflow: hidden;
}

#questionDiv,
#AnswerDiv {
  font-size: 2vw;
  font-weight: bold;
}

.input {
  border: 2px solid red;
  height: 8vh;
}
.text {
  margin-top: 4vh;
}
.ui-draggable-helper {
  white-space: nowrap;
  font-size: 1.5vw;
}
.oprSpans {
  border: 1px solid red;
  margin-left: 4vh;
  width: 4vw;
  text-align: center;
  display: inline-block;
}
#head {
  background-color: rgba(255, 182, 92, 0.9607843137254902);
  color: white;
  font-size: 2vw;
  font-weight: bold;
  margin-top: 5vh;
  text-align: center;
}
#AnswerDiv {
  display: none;
}
.border {
  border: 1px solid white;
  height: 9vh;
  text-align: center;
  font-weight: bold;
  font-size: 2vw;
  line-height: 9vh;
}

#firstNum,
#carryDiv,
#sumDiv {
  background-color: bisque;
}

#secondNum,
#answer,
#splitDiv {
  background-color: beige;
}

.inputNum {
  width: 10vh;
  background-color: white;
  border: 1px solid black;
  margin-top: 1vh;
  height: 7vh;
  display: inline-block;
  line-height: 7vh;
}
#questionText {
  margin-top: -10vh;
  /* background-color: #b0e6b4; */
  background-color: white;
}

#inputDiv5 {
  margin-top: 2vh;
}
.droppable {
  font-size: 1.5vw;
  line-height: 7vh;
}

#finalAns {
  text-align: center;
  border: 2px solid red;
  height: 8vh;
}

#finalAnsText {
  text-align: right;
}
.input {
  z-index: -1;
  background-color: white;
}
/* #nextDiv {
  display: none;
} */

.levelDivs {
  padding: 0% !important;
  margin-top: 25vh;
  font-size: 2.4vw;
  font-weight: bold;
  color: black;
  height: 25vh;
  width: 17.5vw;
  line-height: 23vh;
  display: inline-block;
  margin-left: 2vw;
  box-shadow: 10px -17px 8px rgb(0, 0, 0),
    inset -98px 0px 100px rgba(255, 255, 255);
  border: 4px solid black;
  border-radius: 2vw;
  text-align: center;
}
.oprands {
  background-color: white;
  border: 1px solid black;
  height: 7vh;
  margin-top: 0.5vh;
}

.splitDivs {
  border-bottom: 1px solid black;
  height: 7vh;
}
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 100px;
  background-color: rgba(0, 0, 0, 0.4);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
}
.modal-content {
  background-color: rgba(1, 6, 15, 0.612);
  box-shadow: 17px 25px 14px rgb(0, 0, 0), inset -98px 0px 100px rgb(38, 59, 95);
}
#answerText {
  text-align: center;
  color: #ffffff;
  font-size: 4vw;
  margin-top: 12vw;
}
.subAnsDivs {
  background-color: white;
  border: 1px solid black;
  height: 7vh;
}
#splitDiv2 {
  border-bottom: 2px solid black;
}
.subDivs {
  margin: 0.5vh;
  height: 7vh;
  text-align: right;
  font-weight: bold;
  font-size: 2vw;
}
#helpBtn {
  visibility: hidden;
}
#bottomDiv {
  display: none;
  z-index: -1;
}
.arrowDivs {
  visibility: hidden;
  text-align: center;
}
.oprSpans {
  background-color: white;
}
#responseDiv {
  margin-top: 15vh;
}

.fontClass {
  font-size: 1.3vw;
  margin-top: 1vh;
  color: black;
}
.firstLetter:first-letter {
  font-size: 1.5vw;
}

#acknowledgementDiv {
  margin-top: 4vh;
  background-color: aliceblue;
  border: 0.22vw solid black;
  border-radius: 3vw;
  text-align: center;
  display: none;
  color: white;
}
#gameOver {
  text-align: center;
  color: white;
  font-size: 7vw;
  font-weight: bold;
}

#questionText {
  text-align: center;
  font-size: 5vw;
  font-weight: bold;
}

#splitDiv {
  margin-top: 2vh;
}

#instruction {
  border: 1px solid black;
  border-radius: 2vh;
  background-color: white;
  margin-top: 10vh;
  /* height: 20vh; */
}

.blink_me {
  animation: blinkMe 1.5s linear infinite;
}
@keyframes blinkMe {
  50% {
    background-color: grey;
  }
  /* 100% {
    background-color: grey;
  } */
}

.blink {
  color: yellowgreen;
  animation-name: blinker;
  animation-duration: 0.9s;
  animation-iteration-count: 1;
}
@keyframes blinker {
  50% {
    opacity: 0;
  }
}