/* Font */
@import url('https://fonts.googleapis.com/css?family=Quicksand:400,700');

/* Design */
*,
*::before,
*::after {
  box-sizing: border-box;
  text-decoration: none;
}
.ad-banner {
  width: 320px;
  margin: 0 auto;
}
html {
  background-color: #ffffff;
}

body {
  background-color: #ffffff;
  margin: 0;
  padding: 0;
  border: 0;
  }
footer {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.footer {
  margin-top: 5%;
  color : #1e1e1e;
  opacity: 50%;
}
  

.container{
  background-color: #fff;
  max-width: 800px;
  margin: 0 auto;
}

div.header {
  background-color: #8261EE;
  width: 100%;
  height: auto;
  position: relative;
  top: 0;
  position: sticky;
  z-index: 0;
}

div.header-in {
  position: relative;
  background-color: #8261EE;
  max-width: 800px;
  margin: 0 auto;
  height: 50px;
}

div.header-in a {
  display: block;
  width: 150px;
  height: 50px;
  background: url(src/logo.svg) no-repeat;
  background-size: auto;
  margin: auto auto;
  z-index: 1;
}


.blog {
  font-size: 1rem;
  font-weight: 600;
  margin-left: 16px;
  margin-right: 16px;
  margin-bottom: 16px;
  color: #272727;
  /* text-align: center; */
}

div.about-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #8261EE;

}
div.about-box1 {
  width: 100%;
  height: 350px;
  margin: 0 auto;
  background-color: #ececec;
  background-image: url(src/2.svg);
}

img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}



.btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}
.card:hover {
  background-color: #adeecf;
}
.card_content:hover {
  background-color: #adeecf;
}


.cards {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 1 0;
  padding: 0;
}




@media (min-width: 40rem) {
  .quiz-item {
    width: 50%;
  }
  
}

@media (min-width: 56rem) {
  .quiz-item {
    width: 33.3333%;
  }
  
}



.quiz-item {
  background: #fff;
  border: 3px solid #ececec;
  border-radius: 5%;
  box-sizing: border-box;
  display: block;
  float: left;
  margin: .5%;
  overflow: hidden;
  padding: 0;
  position: relative;
  width: 100%;
}
.img {
  background: no-repeat 50%;
  background-size: cover;
  height: 0;
  overflow: hidden;
  padding-bottom: 54.69%;
  position: relative;
  width: 100%;
}
.des {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: #1E1E1E;
  display: -webkit-box;
  font-size: 14px;
  font-weight: bold;
  line-height: 1.3em;
  margin: 8px;
  overflow: hidden;
  height: 55px;
}

p1 {
  color: #1E1E1E;
}