style.css

#warning{
    color: red;
    text-transform: uppercase;
}

table, td, th{
	border: 1px solid black
}
table{
	margin-left:auto; margin-right:auto;
}
p{
	margin-left:2%;
}

code {
    font-size: 1em;
}

h1 a, h1 a:visited { color: #484848; }
h1 a:hover { text-decoration: none; }

h1.builds-title {
    font-size: 2.5em;
    line-height: 1.2;
    margin-bottom: 1em;
}

h1.methode {
    font-size: 4em;
    text-align: center;
}

h2 { font-size: 2.5em; }

/* Choice grid */
.grid {
  overflow: hidden; /* block formatting context */
}
.grid > * {
  margin-left: -20px;
}
.grid > * > * {
  float: left;
  padding-left: 20px;
  box-sizing: border-box;
}
.grid-3 > * {
  width: 33.33333%;
}

@media screen and (max-width: 768px) {
    .grid > * > * { width: 100%; }
}

.methods {
    margin: 2em 10%;
}

.methods > h2 {
    margin-bottom: .75em;
}

.method-button {
  text-align: center;
  background-clip: padding-box;
  background-image: linear-gradient(#43a6e2, #277ac1);
  border-radius: .25em;
  padding: .25em .5em;
}

.method-button a {
    text-decoration: none;
    color: #fff;
}