* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
body {
    background-color: #0d1c1f;
    color: #fff;
    line-height: 1.6;
}
.head {
    font-size: 24px;
    font-weight: bold;
    padding: 30px 0 0 30px;
}
.head span {
    color: #fff;
    background-color: #0ea5e9;
    border-radius: 16px;
    padding: 0 6px 0 6px;
    font-size: 16px;
    display: inline-block;
}
.head img {
    width: 35px;
    height: auto;
    color: #fff;
}
.container {
    display: flex;
    flex-wrap: wrap;
    padding: 40px 20px;
    justify-content: space-between;
}
.column {
    flex: 1;
    min-width: 200px;
    margin: 10px;
}
.column h2 {
    font-size: 18px;
    margin-bottom: 12px;
    border-bottom: 1px solid #4b5563;
    padding-bottom: 4px;
}
.column ul {
    list-style: none;
}
.column ul li {
    margin: 8px 0;
}
.column ul li a {
    text-decoration: none;
    color: #fff;
    font-size: 15px;
}
.column ul li a:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}
footer {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    font-size: 14px;
}
footer span {
    color: darkgray;
}
.socials a {
    margin-right: 10px;
    color: #0ea5e9;
    text-decoration: none;
    transition: 0.2s;
}
.socials a:hover {
    color: bisque;
}
.symbols img {
    width: 80px;
    height: auto;
}