*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body
{
    font-family: Arial, Helvetica, sans-serif;
}
header
{
    width: 100%;
    height: 75px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    background-image: linear-gradient(#51656A , #171717);
    opacity: 86%;
}
.logo
{
    font-size: 30px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
nav li
{
    list-style: none;
    display: inline;
    padding: 0px 20px;
}
a,button
{
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    color: white;
    cursor: pointer;
}
button
{
    background-color: darkcyan;
    padding: 9px 25px;
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease 0s;
}
nav li a:hover
{
    color: darkcyan;
    transition: all 0.3ss ease 0s;
}
button:hover
{
    background-color: darkcyan;
}
.content-items img
{
    width: 100%;
    height: 90vh;
    background-size: cover;
    background-position: center;
    object-fit: cover;
}