Untitled

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
ul{
    list-style-type: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

a{
    text-decoration: none;
    color: #fff;
}
li{
    padding: 1em;
}
ul li:first-child{
    padding: 0;
}
header{
    background: #8a2be2;
    height: 6vh;
}
li:hover{
    font-weight: bold;
    font-size: large;
    background: #481c71;
    transition: 0.5s;
}