.topbtn {
  display: flex;
  flex-direction: space-between;
  algin-items: center;
  justify-content: center;
}

html {
  font-family: "Ubuntu", sans-serif;
  font-weight: 600;
  background: linear-gradient(0deg,rgba(29, 182, 242, 1) 0%, rgba(255, 255, 255, 1) 100%);
  background-repeat: no-repeat;
  background-size: 100%, 100%;
  background-attachment: fixed;
}

.backbtn {
  padding: 10px;
  border-radius: 10px;
  border: 6px solid black;
  background-color: lightblue;
  justify-content: left;
  border-with: 10px;
  width:10%;
  text-decoration:none;
  color:black;
  font-size: 15px;
}

.rij {
  border-radius:2px;
  font-size: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;

}

.phptable {
  display:flex;
  flex-direction: row;
  flex-wrap: wrap;
  width:60%;
  margin-left:10%;
  margin-right:10%;
  background: white;
  border-radius:10px;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  width: auto;

}
.phptableWrapper {
  display: flex;
  flex-direction: column;
  margin-top: 20;
}

.vraag {
  background: white;
  border-radius:10px;
  font-size: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 160px;
  font-size: 20px;
  background: white;
  padding: 5px 0;
  border-radius: 8px;
  
}

.antwoord {
  width: 40px;
  text-align: center;
  height: 25px;
  font-size: 18px;
  
}

.kolom {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spelletjebtn {
 padding: 10px;
 margin-top: 500px;
}
@media (max-width 600px) {
.header {
  flex-direction: column;
  align-items: center;
}