.clearfix {
  overflow: auto;
}
body {
width: 75%;
margin-left: auto;
margin-right: auto;
margin:auto;
}
* {
  box-sizing: border-box;
}

.column {
  float: left;
  width: 25%;
  padding: 5px;
}

/* Clearfix (clear floats) */
.row::after {
  content: "";
  clear: both;
  display: table;
}
button {
border-color: #E30A17;   
background-color: white;
margin-top: 2px;
}
button:hover {
border-color: white;  
background-color: #E30A17;
color: white;
}
header,footer {
background-color: #E30A17;
color: white;
border-top-style: solid;
border-right-style: none;
border-bottom-style: solid;
border-left-style: none;
border-color: white;
width: 100%;
}       
header,footer,article,aside,button {
border-radius: 10px;
font-family: tahoma;
} 
article,aside {
  font-size: 125%;
}
img {
display: block;
margin-left: auto;
margin-right: auto;
margin:auto;
}
h1 {
margin: auto;
font-size: 300%;
}
header {
}
aside {
border-style: solid;
border-color: #E30A17;
background-color: white;
float: right;
width: 25%;
}
article {
margin-top:10px;
padding: 10px;
float: left;
width: 100%;
background-color: white;
border-style: solid;
border-color: #E30A17;
clear: left;
margin: auto;
}
footer {
clear: both;
}
a {
color: black;
margin-left: 10px;
text-decoration: none;
}
a:hover {
  color: black;
  text-decoration: underline;
  text-decoration-color: #E30A17;
}
* {
box-sizing: border-box;
}
hr {
background-color: #E30A17;
border-color: #E30A17;
}
h3,h4 {
color: #E30A17;
}