html {
  box-sizing: border-box;
  font-family: 'Roboto Slab', serif;
  background-color: #6768ab;
  width: 100%;
  height: 100%;
  margin: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  background-color: #6768ab;
  display: flex;
  flex-direction: column;
  margin: 0;
}

footer {
  text-align: center;
  font-size: 13px;
  flex-shrink: 0;
}

h1 {
  font-size: 50px;
  text-align: center;
  margin: 0;
  padding: 12px 0;
  color: #5e4d9b;
  text-shadow: 3px 3px 1px #2f2d3b;
}

h2 {
  color: #9389bd;
  font-size: 20px;
  text-align: right;
  margin-right: 24px;
  font-style: italic;
}

h3 {
  color: #cfcad1;
  font-size: 25px;
  text-shadow: 1px 1px 1px #000;
}

h4 {
  margin-bottom: 12px;
  margin-top: 12px;
  font-size: 20px;
  color: #2f2d3b;
}

main {
  flex: 1 0 auto;
  text-align: center;
}

p {
  margin: 2px;
  font-size: 14px;
}

#inp_1,
#inp_2,
#inp_3,
#inp_4,
#inp_5,
#inp_6,
#inp_7 {
  font-size: 16px;
}

#result_List,
#result_List2 {
  font-size: 20px;
}

#sec-gener1,
#sec-gener2 {
  margin-top: 12px;
}

#tab {
  overflow: hidden;
  margin-top: 12px;
}

#tab button:hover {
  background-color: #cfcad1;
}

#tab button.active {
  background-color: #ccd;
}

.tabcontent {
  display: none;
}

.tablinks {
  padding: 6px 12px;
  font-size: 16px;
}