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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: "Open Sans", sans-serif; 
    font-size: 2rem;
    padding: 1rem 1.2rem;
    border-bottom: 0.3rem black solid;
}

@media(max-width: 768px) {
    header {
        font-size: 0.9rem;
        padding: 0.5rem 0.6rem;
    }
}

header a {
    text-decoration: none;
    color: black;
}

.header_1 {
    flex:1;
    display: flex;
    gap: 6.5rem;
    text-align: left;
}

.header_2 {
    flex:1;
    display: flex;
    gap: 1.2rem;
    text-align: left;
}
@media(max-width:768px) {
    .header_1 {
        gap: 1.2rem;
    }
}

.title {
    text-align: center;
    flex: 2;
}

#lang {
    padding: 0.4rem 0.8rem;
    font-family: "Open Sans", sans-serif;
    font-size: 1rem;
    font-weight: 500;
    background-color: white;
    border: 1px solid #121212;
    border-radius: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

@media(max-width: 768px) {
    #lang {
        font-size: 1rem;
    }
}
main {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    margin: 2rem;
    border: 0.3rem black solid;
}

.content {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2rem;
    margin: 1rem;
}

.content h1 {
    margin: 1rem 0.75rem;
}

.content h3 {
    margin: 1rem 0.75rem;
}

#description, #description_1 {
  transition: opacity 0.15s ease;
}

footer {
    padding: 2rem;
    background-color: #2f2f30;
}

.links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    align-items: center;
}

.links_style {
    text-decoration: none;
    color: white;
}

.developer_container {
    padding: 2rem 0 0 0;
}
.developer {
    display: flex;
    justify-content: center;
    color: white;
}