* {
    box-sizing: border-box;
}

.header{
    background-color: grey;
    color: white;
    padding: 2px;
    text-align: center;
}

/*.common{
    float: left;
    padding: 15px;
}*/

.menu {
    float: left;
    padding: 15px;
    width: 20%;
    display: inline-block;
}

.content{
    width: 80%;
}

.clearfix::after {
    content: "";
    clear: both;
    display: table;
}

.menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.menu li {
    padding: 12px;
    margin-bottom: 8px;
    background-color: #33b5e5;
    color: #ffffff;
}

.menu li:hover {
    background-color: #0099cc;
}

.content {
    float: left;
    padding-left: 8%;
}

/* .content::after {
    content: "";
    clear: both;
    display: table;
} */

a:link {
    text-decoration: none;
}

a:hover {
    color: rgb(230, 36, 74);
    font-size: 120%;
}