.w3-content,
.w3-auto {
    margin-left: auto;
    margin-right: auto
}

.w3-content {
    max-width: 980px
}

.w3-spin {
    animation: w3-spin 2s infinite linear
}

@keyframes w3-spin {
    0% {
        transform: rotate(0deg)
    }
    100% {
        transform: rotate(359deg)
    }
}

.w3-animate-fading {
    animation: fading 10s infinite
}

@keyframes fading {
    0% {
        opacity: 0
    }
    50% {
        opacity: 1
    }
    100% {
        opacity: 0
    }
}

.w3-animate-opacity {
    animation: opac 0.8s
}

@keyframes opac {
    from {
        opacity: 0
    }
    to {
        opacity: 1
    }
}

.w3-animate-top {
    position: relative;
    animation: animatetop 0.4s
}

@keyframes animatetop {
    from {
        top: -300px;
        opacity: 0
    }
    to {
        top: 0;
        opacity: 1
    }
}

.w3-animate-left {
    position: relative;
    animation: animateleft 0.4s
}

@keyframes animateleft {
    from {
        left: -300px;
        opacity: 0
    }
    to {
        left: 0;
        opacity: 1
    }
}

.w3-animate-right {
    position: relative;
    animation: animateright 0.4s
}

@keyframes animateright {
    from {
        right: -300px;
        opacity: 0
    }
    to {
        right: 0;
        opacity: 1
    }
}

.w3-animate-bottom {
    position: relative;
    animation: animatebottom 0.4s
}

@keyframes animatebottom {
    from {
        bottom: -300px;
        opacity: 0
    }
    to {
        bottom: 0;
        opacity: 1
    }
}

.w3-animate-zoom {
    animation: animatezoom 0.6s
}

@keyframes animatezoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}

.w3-section,
.w3-code {
    margin-top: 16px!important;
    margin-bottom: 16px!important
}