header {
    display: flex;
    background-color:#5D5FEF;
    height: 60px;
    border-bottom: 10px solid #000000;
    padding: 10px 20px;
    justify-content: space-between;
}

nav {
    text-align: right;
}
a {
    display: inline-flex;
    align-items: center;
    font-family:"Fira Code", Arial, Helvetica, serif, sans-serif, monospace ;
    color:#e3e52e;
    font-size: 20px;
    font-weight: 500;
    text-decoration: none;
    margin-right: 30px;
}

a:before  { 
    content: "";
    background-color: #e3e52e;
    width: 10px;
    height: 10px;
    margin-right: 10px;
} 

a:hover { 
    color: #ffffff;
    -webkit-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1);

}