* {
  padding: 0;
  margin: 0;
  border: 0;
}
*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
:focus,
:active {
  outline: none;
}
a:focus,
a:active {
  outline: none;
}
nav,
footer,
header,
aside {
  display: block;
}
html,
body {
  height: 100%;
  width: 100%;
  font-size: 100%;
  line-height: 1;
  font-size: 14px;
  -ms-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
input,
button,
textarea {
  font-family: inherit;
}
input::-ms-clear {
  display: none;
}
button {
  cursor: pointer;
}
button::-moz-focus-inner {
  padding: 0;
  border: 0;
}
a,
a:visited {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
ul li {
  list-style: none;
}
img {
  vertical-align: top;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: 400;
}

/*===========================================================================*/
@import url("https://fonts.googleapis.com/css?family=ZCOOL+KuaiLe:regular,700");
.main {
  font-family: "ZCOOL KuaiLe", cursive;
  font-weight: 700;
  text-transform: uppercase;
}
.header {
  display: flex;
  justify-content: space-between;
  line-height: 60px;
  padding: 0px 30px;
  background-color: rgb(255, 0, 0);
  font-size: 20px;
}
.header__title {
  color: #fff;
}
.header__title:hover {
  text-decoration: underline;
}
.header__nav {
  display: flex;
}
.header__link {
  color: #fff;
  margin: 0px 10px;
}
.header__link:hover {
  text-decoration: underline;
}
.header__link.active {
  text-decoration: underline;
}
.body {
  display: flex;
  height: 60vh;
}
.body__main {
  flex: 1 1 auto;
  box-shadow: 2px 2px 10px #000;
  margin: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  border-radius: 5px;
}
.body__main span {
  margin: 0px 10px;
}
.body__ansvers {
  flex: 0 0 250px;
  width: 250px;
  margin: 10px 10px 10px 0px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  font-size: 50px;
  color: #fff;
}
.body__var {
  flex: 0 0 calc(33.333% - 10px);
  width: 100%;
  box-shadow: 5px 5px 10px #000;
  border-radius: 5px;
  position: relative;
  user-select: none;
}
.body__var:active {
  top: 2px;
  left: 1px;
  box-shadow: 4px 3px 10px #000;
}
.body__answer {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 5px;
  text-shadow: 1px 1px 3px #000;
  transition: 0.3s;
}
.body__marker {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1.8);
  z-index: 2;
  opacity: 0;
  visibility: hidden;
}
.body__var.active .body__marker {
  opacity: 1;
  visibility: visible;
  cursor: pointer;
}
/*===========================================*/
.header__start {
  background-color: red;
  line-height: 60px;
  text-align: center;
  font-size: 40px;
}
.body__nav {
  display: flex;
}
.body__link {
  flex: 1 1 25%;
  height: 300px;
  box-shadow: 5px 5px 10px #000;
  margin: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  transition: background-color 0.3s;
  position: relative;
  border-radius: 4px;
  color: #000;
}
.body__link:hover {
  background-color: rgb(248, 209, 79);
}
.body__link:active {
  top: 2px;
  left: 1px;
  box-shadow: 4px 3px 10px #000;
}