body {
    background-image: url('../img/background.jpg');
    background-repeat: repeat;
    background-color: #000;
    color: #32CD32;
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 20px;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.centered-text {
    text-align: center;
    width: 100%;
}
header h1 {
    font-size: 2.5em;
}
header p {
    font-size: 1.2em;
}
.profile-pic-placeholder {
    width: 120px;
    height: 120px;
    background-image: url('../img/avatar.png');
    background-size: cover;
    background-position: center;
    border: none;
    display: block;
}
section {
    margin: 20px auto;
    max-width: 900px;
    padding: 20px;
    border-left: 2px solid #32CD32;
    background-color: rgba(0, 0, 0, 0.8);
}
section h2 {
    border-bottom: 1px solid #32CD32;
    padding-bottom: 5px;
    margin-bottom: 15px;
    color: #32CD32;
}
ul {
    list-style-type: none;
    padding: 0;
}
ul li {
    margin-bottom: 10px;
}
.stars-container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: baseline;
    width: 100%;
}
.skill-name {
    flex: 0 0 auto;
    margin-right: 10px;
}
.dots {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
}
.stars {
    flex: 0 0 auto;
    margin-left: 10px;
    color: #1E90FF;
}
footer {
    text-align: center;
    margin-top: 30px;
    border-top: 1px solid #32CD32;
    padding-top: 10px;
}
a {
    color: #32CD32;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.flags {
    margin-top: 10px;
}
.flags img {
    width: 50px;
    height: 35px;
    margin: 0 5px;
}
.certification-list li::before {
    content: "• ";
    color: #32CD32;
}
.certification-list li {
    padding-left: 1em;
    text-indent: -1em;
}
.links-list {
    list-style-type: none;
    padding-left: 0;
}
.links-list li::before {
    content: "=> ";
    color: #32CD32;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    header {
        flex-direction: column;
    }
    .profile-pic-placeholder {
        margin-bottom: 20px;
    }
    .stars-container {
        flex-wrap: nowrap;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8em;
    }
    header p {
        font-size: 1em;
    }
    section h2 {
        font-size: 1.5em;
    }
}