ul{
    margin: 0;
    padding: 0;
    width: 100%;
    list-style-type: none;
    -webkit-padding-start: 0;
}

ul > li{
    display: block;
    margin: auto;
    width: 100%;
}

ul > li a{
    text-decoration: none;
    padding: 20px 20px;
    margin: 0;
    display: inline-block;
    background-color: #79b3e5;
    color: black;
    width: calc(100% - 40px);
    text-align: center;
    font-size: 1.2em;
    border-bottom: 1px solid black;
}

ul > li:first-child a{
    border-radius: 0.4em 0.4em 0 0;
}

ul > li:last-child a{
    border-radius: 0 0 0.4em 0.4em;
    border-bottom: none;
}

ul > li a:visited{
    background-color: #ac87c4;
}

ul > li a:hover{
    background-color: #2678c0;
}

ul p{
    margin: 0;
}

h2{
    text-align: center;
    width: 100%;
    margin-block-start: 0;
    margin-block-end: 0;
    padding: 0;
}

.p25 {
    width: 25%;
}