.main-container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-around;
}

.box {
  width: 28vw;
  min-height: 50vh;
  border: 1.5px solid #000;
  border-radius: 10px;
  position: relative;
}

.practice-box {
  width: 56vw;
}

.thin {
  width: 20vw;
}

.header {
  background-color: #eee;
  padding: 15px 0;
  margin: 0;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  text-align: center;
}

.experiment-label {
  text-align: center;
  display: block;
  font-size: x-large;
  font-weight: 300;
  margin-top: 10%;
}

.select {
  margin: 10% auto;
  display: block;
  font-size: medium;
}

.experiment {
  width: 75vw;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.prettyprint {
  border: none !important;
  translate: -5vw 0;
}

.task {
  text-align: center;
  /* display: table-row; */
  font-size: 1.4rem;
  font-weight: 500;
}

span {
  font-size: x-large;
  margin-bottom: 3vh;
  vertical-align: bottom;
}

.program {
  font-size: large;
  font-family: "Fira Mono", monospace;
  text-align: center;
  padding: 3%;
}

.blank {
  display: inline-block;
  border: 3px solid darkgray;
  border-radius: 10%;
  background-color: #ddd;
  min-width: 60px;
  height: 1.3rem;
  font-size: large;
  cursor: move;
  -ms-touch-action: none;
  touch-action: none;
}

.blank-p {
  display: inline;
  margin-top: 0;
  translate: 0 -10px;
}

.options {
  display: flex;
  flex-wrap: wrap;
}

.option {
  min-width: 60px;
  min-height: 19px;
  padding: 0.3% 1%;
  font-size: large;
  font-family: "Fira Mono", monospace;
  display: inline-block;
  border: 3px solid darkgray;
  margin: 1%;
  background-color: #ddd;
  border-radius: 10%;
  cursor: move;
  -ms-touch-action: none;
  touch-action: none;
}

.over {
  border: 3px dotted darkgray;
}

.submit,
.reset {
  height: 2.25rem;
  width: 5.25rem;
  border-radius: 5px;
  margin: 0 auto;
  display: block;
  font-size: medium;
  color: #fff;
  background-color: #337ab7;
  border-color: #2e6da4;
  cursor: pointer;
  border: 1px solid transparent;
}

.buttons {
  display: flex;
  justify-content: center;
}

.green {
  color: green;
}

.red {
  color: red;
}

.observations {
  font-size: large;
}

.input {
  font-family: "Fira Mono", monospace;
  font-size: x-large;
}

.practice-command {
  height: 3%;
  margin-top: 2.5%;
  margin-left: 2%;
  font-family: "Fira Mono", monospace;
}

.practice-div {
  display: flex;
  justify-content: center;
  margin-top: 3%;
  font-family: "Fira Mono", monospace;
}

.practice-functions {
  font-family: "Fira Mono", monospace;
  text-align: center;
}

@media screen and (max-width: 900px) {
  .experiment {
    flex-direction: column;
  }
  .box {
    width: 90vw;
    margin-bottom: 2vh;
  }

  .learn-box {
    translate: -8.5% 0;
  }
}

.cards,
.cards-set,
.cards-dictionary {
  position: relative;
  text-align: center;
}

.cards-dictionary :nth-child(2n + 1) {
  margin-left: 1%;
}

.card,
.key {
  display: inline-block;
  padding: 1.7%;
  margin: 0.05%;
  color: white;
  background-color: #288ec8;
}

p,
span {
  text-align: center;
}

.value {
  display: inline-block;
  padding: 1.7%;
  margin: 0.05%;
  color: white;
  background-color: hsl(120, 67%, 47%);
}

.drop-active {
  border-style: dashed;
}

.drop-target {
  background-color: #ccc;
}

.can-drop {
  opacity: 0.5;
}