* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 0px solid silver;
}

img:hover {
  cursor: pointer;
}


h1, h2, h3, h4, h5, h6 {

}

h1 {
  font-size: 4rem;
}

h2 {
  font-size: 3rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 14px;
}

.button_base {
  position: relative;
  width: 150px;
  height: 40px;
  text-align: center;
  box-sizing: border-box;
  cursor: default;
}

.button_base:hover {
  cursor: pointer;
}

/* ### ### ### 09 */
.b09_electric {
  font-size: 20px;
  color: #333;
  background-color: #ffffff;
  border: #555 solid 1px;
  padding: 3px;
  transition: all 0.1s ease;
}

.b09_electric:hover {
  color: #eee;
  background-color: #333;
  animation: b09_electric_blinkIn 0.1s step-end 0 2;
  transition: all 0.2s ease 0.2s;
}

ul,
ol,
li {
  list-style: none;
}