h1, h2 {
  font: 400 1.5em Verdana, Geneva, Tahoma, sans-serif;
}
h1 {
  font-size: 2.5em;
  color: blue;
  text-align: center;
}
h2 {margin-left: 5em;}

.root { 
  height: 100vh;
  width: 100vw;
}
.row {
  position: relative;
  justify-content: space-around;
  margin: 10px;
  padding: .8em;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background-color: aliceblue;
  width: 100%;
  min-width: 30px;
  background-color: bisque;
}

.button {
  width: 25%;
  min-height: 30px;
  background-color: cornsilk;
  font: 600 2em Verdana, sans-serif;
  margin: 10 auto;
  border: 1px solid #555;
  border-radius: 15px;
  box-shadow: 8px 8px 9px rgba(0,0,0,.5),
    inset 10px 10px 6px  rgba(0, 0, 0, .3),
    inset -10px -10px 6px  rgba(0, 0, 0, .3);
  transition: all .2s ease-in;
 box-sizing: border-box;
}
.button:hover {
  box-shadow: 2px 2px 2px rgba(0, 0, 0, .5),
    inset 10px 10px 6px  rgba(0, 0, 0, .3),
    inset -10px -10px 6px  rgba(0, 0, 0, .3);
  cursor: pointer;
}
.none {
  display: none;
}
li {
  list-style: none;
}
.title {
  font: 600 1em Verdana;
  color: blue;
}
.div-btn {
  min-width: 190px;
  border: 1px solid #555;
  border-radius: 15px;
  padding: 10px 5px 5px 20px;
  text-align: left;
  font: 1em Verdana, sans-serif;
  background-color: cornsilk;
  box-shadow: 8px 8px 8px rgba(0, 0, 0, .5);
  transition: all .2s ease-in;
  box-sizing: border-box;
}
.div-btn:hover {
  cursor: pointer;
  box-shadow: 2px 2px 2px rgba(0, 0, 0, .5);
}

ul {
  margin: 0;
  padding: 0;
}