* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: linear-gradient(to right, transparent, mistyrose),
    url("pozadina.jfif");
    background-repeat: no-repeat;
    background-size: cover;
}

.container {
    max-width: 960px;
    margin: 0 auto;
}

.article1{
    background: rgb(2,0,36);
    background: linear-gradient(0deg, rgba(2,0,36,1) 0%, rgba(255,121,247,1) 49%, rgba(0,212,255,1) 100%);
}

.article2{
    background: rgb(2,0,36);
    background: radial-gradient(circle, rgba(2,0,36,1) 0%, rgba(255,121,178,1) 0%, rgba(0,212,255,1) 100%);
}

.article3{
    background-image: conic-gradient(red, yellow, green, blue, black);
}

header {
    overflow: hidden;
    background-color: plum;
    display: flex;
    color: black;
}

header h1 {
    text-align: center;
    color: black;
}

.navbar a {
    float: right;
    display: block;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.navbar {
    margin-left: 290px;
}

.navbar a:hover {
    background-color: wheat;
    color: black;
}
footer {
    position: fixed;
    bottom: 0;
    overflow: hidden;
    background-color: plum;
    display: flex;
    color: black;
}
#right {
    margin-left: 10px;
}

#left {
    margin-left: 705px;
}