CSS simple lines

by katalin_2003

HTML

<div class="szero" ></div>
    <br />
<hr class="sone" ></hr>
    <br />
<hr class="stwo" ></hr>
    <br />
<hr class="sthree" ></hr>
    <br />
<hr class="sfour" ></hr>
    <br />
<hr class="sfive" ></hr>
    <br />
<hr class="ssix" ></hr>
    <br />
<hr class="sseven" ></hr>
    <br />
<hr class="seight" ></hr>
    <br />

CSS

/* 0 */
.szero{ 
    display:block;
    border:none;
    color:white;
    height:1px;
    background:black;
    background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 350, from(#000), to(#fff));
    margin-top:50px;
}

/* 1 */
hr.sone {
    border: 0;
    height: 1px;
    background: #333;
    background-image: -webkit-linear-gradient(left, #ccc, #333, #ccc); 
    background-image:    -moz-linear-gradient(left, #ccc, #333, #ccc); 
    background-image:     -ms-linear-gradient(left, #ccc, #333, #ccc); 
    background-image:      -o-linear-gradient(left, #ccc, #333, #ccc); 
}

/* 2 */
hr.stwo {
    border: 0;
    height: 1px;
    background-image: -webkit-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image:    -moz-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image:     -ms-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image:      -o-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
}

/* 3 */
hr.sthree {
    border: 0;
    border-bottom: 1px dashed #ccc;
    background: #999;
}

/* 4 */
hr.sfour {
    height: 12px;
    border: 0;
    box-shadow: inset 0 12px 12px -12px rgba(0,0,0,0.5);
}

/* 5 */
hr.sfive {
    border: 0;
    height: 0; /* Firefox... */
    box-shadow: 0 0 10px 1px black;
}
hr.sfive:after {  /* Not really supposed to work, but does */
    content: "\00a0";  /* Prevent margin collapse */
}

/* 6 */
hr.ssix {
    border: 0;
    height: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* 7 */
hr.sseven {
    height: 30px;
    border-style: solid;
    border-color: black;
    border-width: 1px 0 0 0;
    border-radius: 20px;
}
hr.sseven:before { /* Not really supposed to work, but does */
    display: block;
    content: "";
    height: 30px;
    margin-top: -31px;    
    border-style: solid;
    border-color: black;
    border-width: 0 0 1px 0;
 ...