* {
    box-sizing: border-box;
}

/* Add a gray background color with some padding */
body {
    font-family: Arial;
    padding: 20px;
    background: #f1f1f1;
}

/* Header/Blog Title */
.header {
    padding: 30px;
    text-align: center;
    background: white;
}

h2 {
    font-size: 40px;
}

.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Create two unequal columns that floats next to each other */
/* Left column */
.leftcolumn {   
    float: left;
    width: 75%;
}

/* Right column */
.rightcolumn {
    float: left;
    width: 25%;
    padding-right: 20px;
}

/* Fake image */
.fakeimg {
    background-color: #aaa;
    width: 100%;
    padding: 20px;
}

/* Add a card effect for articles */
.card {
     background-color: white;
     padding: 20px;
     margin-top: 20px;
}



/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* Footer */
.footer {
    padding: 20px;
    text-align: center;
    background: #ddd;
    margin-top: 20px;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {
    .leftcolumn, .rightcolumn {   
        width: 100%;
        padding: 0;
    }
}