div {
  margin: 20px;
}

.category {
  color: yellowgreen;
}

.table {
  height: 60px;
  display: table;
  table-layout: fixed;
  border-collapse: collapse;
  border: 2px solid green;
  width: 800px !important;
  text-align: center;
}

#tbl_accent {
  margin-right: 0 !important;
  width: 320px;
  height: 200px;
  text-align: center;
  border-collapse:collapse;
  border-spacing:0;
}

table th {
  display: table-cell;
  vertical-align: middle;
  border: 1px solid green;
  padding: 3px;
}

table td {
  border: 1px solid green;
  padding: 3px;
}

h1 {
  font-size: 30px;
}

.float-left {
  float: left;
}

.mt20 {
  margin-top: 20px;
}

#start {
  background-color: lightblue;
  font-size: 15px;
  font-weight: bold;
}

#answer {
  width: 100px;
  height: 50px;
  font-size: 25px;
  background-color: white;
  border: double 5px #b0c4de;
  border-radius: 20px;
  font-weight: bold;
}

#answer:hover {
  box-shadow: 5px 5px 5px #4179e1;
}

#answer:active {
  background-color: #4169e1;
}

#next {
  margin: 50px 20px 0 20px !important;
  width: 150px;
  height: 40px;
  font-size: 20px;
  font-weight: bold;
  border: 3px solid #b5b5b5;
  border-radius: 10px;
}

#next:hover {
  box-shadow: 5px 5px 5px #b5b5b5;
}

#next:active {
  background-color: #a9a9a9;
}

.fs20 {
  font-size: 20px;
  font-weight: bold;
}

#verb {
  font-size: 30px;
  font-weight: bold;
}

.center {
  width: 500px;
  text-align: center;
  margin: 0 auto !important;
}

.back-top {
  margin: 0 40px 0 0;
  text-align: right;
}

#question {
  font-size: 20px;
}

#subject {
  text-decoration: underline;
}

#type {
  text-decoration: underline;
}

#tense {
  text-decoration: underline;
}

input {
  font-size: 20px;
  text-align: center;
  border: solid 2px blue;
  width: 200px;
  height: 30px;
}

.flex {
  display: flex;
  margin: 0 !important;
  font-weight: bold;
}

#result {
  width: 400px;
  height: 200px;
  margin: 150px 20px 0 20px !important;
  text-align: center;
}

.result {
  font-size: 40px;
  color: red
}

.wrong {
  font-size: 20px;
}

#score {
  margin: 0 auto;
  width: 200px;
  font-size: 25px;
  color: green
}

#reload {
  font-size: 15px;
  display: none;
}

.caution {
  font-size: 15px;
}

#tbl_accent th {
  width: 20px;
  height: 10px;
  font-size: 15px;
}

#small {
  font-size: 10px;
}

#tbl_accent td {
  width: 20px;
  height: 10px;
}

#tbl_accent td:active {
  color: #7fb7da;
	font-size: 129%;
}

#tbl_accent th {
  background-color: lightgray;
}

#right {
  justify-content: end;
}

ul {
  display: inline-block;
}

li {
  text-align: left;
}