style.css

@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@100;400;700;800&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Ubuntu", 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: gold;
    background-color: #30272f;
}

.container {
    max-width: 1366px;
    margin: auto;
}

.img1 {

    filter: drop-shadow(0 4px 5px rgba(0, 0, 0, 0.65));
    animation: pulsePic 1s infinite;
    -webkit-animation: pulsePic 1s infinite;
    border-radius: 50%;
    
    display: block;
    margin-left: auto;
    margin-right: auto;
    
    text-align: center;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -ms-user-select: none

}
@-webkit-keyframes pulsePic {
0% {
    -webkit-box-shadow: 0 0 0 0 rgba(246, 246, 246, .4)
}
70% {
    -webkit-box-shadow: 0 0 0 20px transparent
}
100% {
    -webkit-box-shadow: 0 0 0 0 transparent
}
}

@keyframes pulsePic {
0% {
    -moz-box-shadow: 0 0 0 0 rgba(246, 246, 246, .4);
    box-shadow: 0 0 0 0 rgba(246, 246, 246, .4)
}
70% {
    -moz-box-shadow: 0 0 0 20px transparent;
    box-shadow: 0 0 0 20px transparent
}
100% {
    -moz-box-shadow: 0 0 0 0 transparent;
    box-shadow: 0 0 0 0 transparent
}
}
.img1:hover {

 transform: rotate(1000deg) scale(1.0);
 -webkit-transition: .8s ease-in-out;
 transition: .8s ease-in-out;
}


/* area header*/

nav {

    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

nav ul {
    display: flex;
    list-style: none;
    justify-content: space-around;
    padding: 15px;
}

.logo a {
    align-items: center;
    font-size: 60px;
    font-weight: bolder;
    text-decoration: none;
    color: gold;

}

nav ul li {
    background-color: rgb(60, 63, 60);
    justify-content: center;
    text-align: center;
    padding: 10px;
}

nav ul li a {
    font-size: 24px;
    background-color: gold;
    text-decoration: none;
    color: crimson;
}



nav ul li:hover {

    background-color: red;
}

nav ul .hide {
    display: none;
}

/* box main*/

.mainbox {
    display: flex;
}

.gruparticle {
    max-width: 956px;
    margin: 0;
}

.gruparticle p {
    padding: 40px 0;
    text-align: center;
    font-size: 45px;
    font-weight: bold;

}

/* area main*/
article {
    display: flex;
    flex-direction: column;
    flex: 70%;
}

.content {
    display: flex;
    margin: 20px;
}

.imagebox {
    flex: 50%;
    padding: 10px;
}

.imagemax {
    max-width: 100%;
    height: auto;
}

.textbox {
    flex: 50%;
    padding: 10px;
    color: azure;
}

.textbox h1 {
    font-size: 40px;
}

.textbox p {
    font-size: 15px;
    padding: 20px;
    color: white;
}

.card {
    box-shadow: 0 4px 8px 0 rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    padding: 20px;
    margin-top: 20px;
}

.content img:hover {
    transform: scale(1.1);
}

/* area aside*/
aside {
    flex: 30%;
    justify-content: center;
    align-items: center;
}

.sidebar {
    display: flex;
}

.side {
    flex: 50%;
}

.profile {
    flex: 50%;
    text-align: center;
}

.profileimage {
    max-width: 75%;
    height: auto;
}

.profile h3 {
    font-size: 21px;
    padding: 5px;
}

.btn {

    background-color: #EC407A;
    font-size: 17px;
    border: 2px solid #131418;
}

.btn:hover {
    background-color: azure;
}

.socmed {
    margin: 10px;
    border: 2px solid #131418;
    color: #131418;
}

.socmed a {
    text-decoration: none;
    font-size: 17px;
    color: #131418;
}

.socmed:hover {
    background-color: azure;
}

/* area footer*/

.copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.copyright a {
    font-size: 24px;
    font-weight: bold;
}

.footbar {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;

}

.footbar a {
    text-decoration: none;
    font-size: 17px;
    padding: 10px 30px;
    color: #131418;
}

.footbar a:hover {

    color: azure;
}

#penulis {
    margin-top: 10px;
    display: none;
    font-size: 16px;
    padding: 5px;
    border: 2px solid #131418;
}

#top {
    display: none;
    position: fixed;
    bottom: 35px;
    right: 35px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
    color: #EC407A;
    background-color: black;
    border: 1px solid red;
}

#top:hover {
    background-color: #131418;
    color: azure;
}

@media (max-width: 1024px) {

    .mainbox,
    .content,
    .sidebar {
        flex-direction: column;
    }

}

@media (max-width: 640px) {
    nav {
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}

@media (max-width: 414px) {

    nav ul,
    nav ul li {
        padding: 5px;
        margin: 0;
    }

    .textbox p {
        font-size: 12px;
    }
}

@media (max-width: 320px) {

    nav ul,
    nav ul li {
        padding: 0;
        margin: 0;
    }

    .footbar a {
        padding: 10px;
    }
}