style.scss

$border-style: 3px solid #525B76;
$mainColor: #29335C;
$secColor: #525B76;
$thiColor: #EAEAEA;
$fouColor: #E4572E;

@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,600);

body {
  font-family: 'Source Sans Pro';
  background: $mainColor;
  background-size: cover;
}

.game {
  background-color: transparent;
  width: 402px;
  height: 402px;
  margin: 50px auto;
}

.game-field {
  width: 134px;
  height: 134px;
  display: block;
  float: left;
  color: $thiColor;
  font-size: 6.3em;
  padding: 1px 27px;
}

.win {
  color: $fouColor;
  transition: 200ms;
}

#first, #second, #third {
  border-bottom: $border-style;
}

#second {
  border-left: $border-style;
  border-right: $border-style;
}

#fourth, #fifth, #sixth {
  border-bottom: $border-style;
}

#fifth {
  border-left: $border-style;
  border-right: $border-style;
}
#eight {
  border-left: $border-style;
  border-right: $border-style;
}

.modal-content {
  background-color: $thiColor;
}

.modal-header {
  background-color: $mainColor;
  width: 100%;
  height: 100%;
  color: $thiColor;

  button {
    color: $thiColor;

    &:hover {
      color: $thiColor;
    }
  }

  h4 {
    font-size: 2.3em;
  }
}

.modal-body {
  padding: 30px;
  margin: 10px 0;
  text-align: center;
}

.modal-footer {
  padding: 10px 80px 10px 0px;

  button {
    background-color: white;
    color: black;
    width: 40%;
    font-size: 2em;
    transition: 500ms;

    &:hover {
      background-color: $fouColor;
      color: white;
    }
  }
}

.signature {
  padding-top: 10px;
}