index.css

body {
        background: url('https://source.unsplash.com/GQD3Av_9A88') no-repeat center center fixed;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        background-size: cover;
        -o-background-size: cover;
         
}


nav {
        background-color: lightsteelblue;
        opacity: 0.7;
        padding: 20px;

}


.navbar-brand {
        font-family: 'Ubuntu', sans-serif;
        font-size: 35px;
        font-style: italic;
        font-weight: 400;

}


.card-description {
        white-space: pre-wrap;

}


#task-list-bg {
        padding:20px; 
        background-color: rgba(240,255,240, 0.3)

}


#task-list-header {
        padding: 20px;
        background-color:lavenderblush;

}