style.css

/* Reset CSS */
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}

body, html {
  width: 100%;
  height: 100%;
  margin:0;
  padding:0;
  background: #F5F5F5;
  font-size: 19px;
  font-family: 'Lato', sans-serif;
}
body {
  border-top: 4px solid #e55039;
}
h1 {
  text-align: center;
  color: #0d3f94;
  margin-bottom: 70px;
  font-size: 1.5em;
}
.container {
  max-width: 900px;
  margin: 5% auto;
}
.col {
  margin-bottom: 60px;
  width: 50%;
  height: 100%;
}
.gauche {
  float: left;
}
.droite {
  float: right;
}
img {
  margin: 0 auto;
  display: block;
  width: 75px;
  height: 75px;
}
p {
  text-align: center;
  margin: 20px 0;
}
a {
  text-decoration: none;
  color: #666;
}
.clear {
  clear: both;
}
footer {
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5em;
  font-size: .7em;
}
@media only screen and (max-width: 768px) {
  .container {
    margin-top: 50px;
  }
  body {
    font-size: 16px;
  }
  footer {
    padding: 0 15px;
  }
}