0;
overflow:auto;
}
#tophead{
height:50px;
width:100%;
position:fixed;
top:0;
left:0;
background: #000;
background: linear-gradient(
180deg ,
rgba(0,0,0, 0),
rgba(0,0,0, .9)
),url(img/bg.png);
background-size:cover;
color:#fff;
text-align:center;
}
#tophead .h4{
background: linear-gradient(
90deg,
rgba(255, 0, 0, 1) 0%,
rgba(255, 154, 0, 1) 10%,
rgba(208, 222, 33, 1) 20%,
rgba(79, 220, 74, 1) 30%,
rgba(63, 218, 216, 1) 40%,
rgba(47, 201, 226, 1) 50%,
rgba(28, 127, 238, 1) 60%,
rgba(95, 21, 242, 1) 70%,
rgba