style.css

body {
  margin: 0;
  font-size: 15px;
  font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
}

.jsme-editor {
  height: 30vh;
  display: flex;
}

.input,
.output {
  overflow: auto;
  width: 50%;
  height: 100%;
  box-sizing: border-box;
  padding: 0 20px;
}

.input {
  border: none;
  border-right: 1px solid #ccc;
  resize: none;
  outline: none;
  background-color: #f6f6f6;
  padding: 20px;
  border-radius: 10%;
}

code {
  color: #f66;
}

/* Set additional styling options for the columns*/
/* .column {
    float: left;
    width: 20%;
} */
.button {
    display: inline-block;
    width: calc(50% - 4px);
    margin: 0 auto;
    border-radius: 10%;
}

/* Field set */

table{
    border-spacing: 15px;
    border-radius: 10%;
}

table, th, td {
    border: 2px solid black;
    padding: 5px;
    border-radius: 10%;
  }

fieldset { 
    display: table;
    border-left: none;
    border-right: none;
    border-bottom: none;
}
fieldset legend {
    font-size: larger;
    font-weight: bold;
    text-align: start;
}
form  { display: table;      }
form p { 
    display: table-row;  
    float: none;
}
form label { 
    display: table-cell; 
    width: 40%;
}