* {
  box-sizing: border-box;
}

html,
body,
aside,
form {
  margin: 0;
  min-height: 100%;
  padding: 0;
}

.clear::after {
  clear: both;
  content: '';
  display: block;
}

main,
aside,
.anderblokje {
  background: rgba(0, 0, 0, 0.7);
  border: 2px rgba(255, 255, 255, 0.7) solid;
  border-radius: 25px;
  float: left;
  margin: 5px;
  max-width: calc(100% - 10px);
  overflow-x: auto;
  padding: 5px;
}

p {
  padding: 0 1em;
  text-align: left;
}

form > * {
  display: block;
  margin: 0 auto;
}

textarea {
  min-height: 20em;
  resize: vertical;
  text-align: center;
}

table {
  border-collapse: collapse;
  width: 100%;
}

table th,
table td {
  border: 1px solid #d3d3d3;
  padding: 2px;
  text-align: left;
}

table tr:nth-child(even) {
  background-color: rgba(50, 50, 50, 0.7);
}

@media only screen and (min-width: 649px) {
  textarea {
    min-height: 50em;
  }
}