style.css

/* RESET */

* {
    margin: 0;
    padding: 0;
    border: none;
    font-family: Arial, Helvetica, sans-serif;
}

ul, ol, li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #4B4B4B;
}

a:hover {
    color: #C22F2F;
}

/*  HEADER */

header {
    background-color: #EBECED;
    text-align: center; 
    padding: 20px 10px;
}

img {
    width: 20%;
    height: auto;
    border-radius: 50%;
}

h1 { 
    color: #C22F2F;
}

h3 {
    color: #4B4B4B;
}

/* SECTION TECH, ASIDE SOCIAL-COMMUNITIES */

.tech {
    padding: 20px 10px 15px;
}

.social-communities {
    padding: 0 10px 0;
}

.tech h1, .tech-flex-1, .tech ol:not(:last-child), .social-media h1, .social-media ol, .communities h1, .communities ol {
    margin-bottom: 15px;
}

.tech ol li, .social-media ol li, .communities ol li {
    margin-bottom: 5px;
    color: #4B4B4B
}

/*  .TECH-LIKE E PROGRESS BAR */

.tech-like li, .tech-learn li {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

progress {
    margin-right: 25%;
}

  /*  ICONS */

.icons li {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: baseline;
}

.fab {
    font-size: 20px;
    width: 20px;
    margin: 0 5px 5px 0;
    color: #C22F2F;
}

/*  MEDIA QUERIES */

@media (min-width: 768px) {
    h1 {
        font-size: 4.5vw;
    }
    
    h3 {
        font-size: 3.5vw;
    }
    
    li { 
        font-size: 3vw;
    }
    
    progress {
        margin-right: 50%;
    }
}

@media (min-width: 970px) {
    img {
        width: 10%;
    } 
    
    h1 {
        font-size: 2.5vw;
    }
    
    h3 {
        font-size: 2vw;
    }
    
    li { 
        font-size: 1vw;
    }
    
    main {
        display: flex;
        flex-direction: row-reverse;
        justify-content: center;
        margin: 10px;
    }

    .tech {
        display: flex;
        flex-direction: row;
        width: 75%;
        height: auto;
    }
    
    .tech-flex-1, .tech-flex-2 {
        width: 50%;
    }
    
    .tech, .social-communities {
        border: 1px solid #EBECED; 
        padding: 30px 20px;
    }
    
    .tech h1, .social-communities h1 {
        font-size: 2vw;
    }

    progress {
        margin-right: 50%;
    }
    
    .social-communities {
        width: 25%; 
        height: auto;
        margin-right:10px;
    }
}