.blinking-cursor {
  -webkit-animation: 1s blink step-end infinite;
  -moz-animation: 1s blink step-end infinite;
  -ms-animation: 1s blink step-end infinite;
  -o-animation: 1s blink step-end infinite;
  animation: 1s blink step-end infinite;
}

@keyframes "blink" {
  from, to {
	color: transparent;
  }
  50% {
	color: rgba(50,50,50,1.0);
  }
}

@-moz-keyframes blink {
  from, to {
	color: transparent;
  }
  50% {
	color: rgba(50,50,50,1.0);
  }
}

@-webkit-keyframes "blink" {
  from, to {
	color: transparent;
  }
  50% {
	color: rgba(50,50,50,1.0);
  }
}

@-ms-keyframes "blink" {
  from, to {
	color: transparent;
  }
  50% {
	color: rgba(50,50,50,1.0);
  }
}

@-o-keyframes "blink" {
  from, to {
	color: transparent;
  }
  50% {
	color: rgba(50,50,50,1.0);
  }
}

.main_section_01_class {
	position: absolute;
	width: 100px;
  height: 25px;
	top: 35vh;
	left: calc(50% - 50px);
	text-align: center;
  padding-right: 5px;
}
.main_options_01_class {
  position: absolute;
  width: 200px;
  top: calc(35vh + 40px);
  left: calc(50% - 105px);
  text-align: center;
  cursor: pointer;
}
.menu_option_item_01_class {
  position: absolute;
  width: 200px;
  height: 20px;
  left: 0px;
  padding: 5px;
  padding-top: 20px;
  border-top-width: 1px;
  border-top-color: rgba(50,50,50,1.0);
  border-top-style: solid;
}
.main_coming_01_class {
  top: 0px;
}
.main_about_01_class {
  position: absolute;
  top: calc(35vh + 40px);
  left: calc(50% - 400px);
  width: 800px;
  height: 320px;
}
.dud {
  color: #7598e8;
}