.square_btn_start {
  position: relative;
  display: inline-block;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #FFF;
  background: #282828;/*背景色*/
   border-bottom: solid 2px #141414;/*少し濃い目の色に*/
    border-radius: 4px;/*角の丸み*/
    box-shadow: inset 0 2px 0 rgba(14,14,14,0.2), 0 2px 2px rgba(0, 0, 0, 0.19);
  font-weight: bold;
  }.square_btn_start:active {
  border-bottom: solid 2px #141414;
  box-shadow: 0 0 2px rgba(14, 14, 14, 0.30);
}

.square_btn_stop {
  position: relative;
  display: inline-block;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #FFF;
  background: #282828;/*背景色*/
   border-bottom: solid 2px #141414;/*少し濃い目の色に*/
    border-radius: 4px;/*角の丸み*/
    box-shadow: inset 0 2px 0 rgba(14,14,14,0.2), 0 2px 2px rgba(0, 0, 0, 0.19);
  font-weight: bold;
  }.square_btn_stop:active {
    border-bottom: solid 2px #141414;
    box-shadow: 0 0 2px rgba(14, 14, 14, 0.30);
}

.square_btn_restart {
  position: relative;
  display: inline-block;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #FFF;
  background: #282828;/*背景色*/
   border-bottom: solid 2px #141414;/*少し濃い目の色に*/
    border-radius: 4px;/*角の丸み*/
    box-shadow: inset 0 2px 0 rgba(14,14,14,0.2), 0 2px 2px rgba(0, 0, 0, 0.19);
  font-weight: bold;
  }.square_btn_restart:active {
    border-bottom: solid 2px #141414;
    box-shadow: 0 0 2px rgba(14, 14, 14, 0.30);
}

.login_Button {
  display: inline-block;
  padding: 0.4em 12em;
  background-color: #ffb6c1;
  text-decoration: none;
  color: #ea5549;
  border: solid 1px #ffb6c1;
  border-radius: 3px;
  transition: .4s;
    width: 100%;
    box-shadow:0px 0px 50px -9px #000000;
  -moz-box-shadow:0px 0px 50px -9px #000000;
  -webkit-box-shadow:0px 0px 50px -9px #000000;
  }.square_btn:hover {
  background: #27AE60;
  background-color: #27AE60;
  color: white;
}

.square_btn_logout {
  position: relative;
  display: inline-block;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #FFF;
  background: #282828;/*背景色*/
   border-bottom: solid 2px #141414;/*少し濃い目の色に*/
    border-radius: 4px;/*角の丸み*/
    box-shadow: inset 0 2px 0 rgba(14,14,14,0.2), 0 2px 2px rgba(0, 0, 0, 0.19);
  font-weight: bold;
  }.square_btn_logout:active {
    border-bottom: solid 2px #141414;
    box-shadow: 0 0 2px rgba(14, 14, 14, 0.30);
}