#fixbtn #scrolltop a:before{
transition: 0.2s ease-in-out;
width: 40px;
height: 40px;
border:none!important;
background: #f00;
mask-image: url('data:image/svg+xml;charset=utf8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3Csvg%20version%3D%221.1%22%20id%3D%22%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BC_1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%2040%2040%22%20style%3D%22enable-background%3Anew%200%200%2040%2040%3B%22%20xml%3Aspace%3D%22preserve%22%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%20.st0%7Bfill%3A%235F6368%3B%7D%3C%2Fstyle%3E%3Cpath%20class%3D%22st0%22%20d%3D%22M30%2C11.9H10V9.2h20V11.9z%20M30%2C30.8H10l10-14.6L30%2C30.8z%20M24.7%2C28.1L20%2C21.1l-4.7%2C6.9%20C15.3%2C28.1%2C24.7%2C28.1%2C24.7%2C28.1z%22%2F%3E%3C%2Fsvg%3E');
}
#fixbtn #scrolltop a:before{
transition: 0.2s ease-in-out;
width: 40px;
height: 40px;
border:none!important;
background: #f00;
mask-image: url('data:image/svg+xml;charset=utf8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3Csvg%20version%3D%221.1%22%20id%3D%22%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BC_1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%2040%2040%22%20style%3D%22enable-background%3Anew%200%200%2040%2040%3B%22%20xml%3Aspace%3D%22preserve%22%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%20.st0%7Bfill%3A%235F6368%3B%7D%3C%2Fstyle%3E%3Cpath%20class%3D%22st0%22%20d%3D%22M29.6%2C28.3l-2%2C2l-7.9-7.9l-7.9%2C7.9l-2-2l9.9-9.9L29.6%2C28.3z%20M29.7%2C12.5h-20V9.7h20V12.5z%22%2F%3E%3C%2Fsvg%3E');
}
#fixbtn #scrolltop a:before{
transition: 0.2s ease-in-out;
width: 40px;
height: 40px;
border:none!important;
background: #f00;
mask-image: url('data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%20-960%20960%20960%22%20fill%3D%22%235f6368%22%3E%3Cpath%20d%3D%22M480-395.76%20327.83-244.35q-12.68%2012.68-31.45%2013.06-18.77.38-32.21-13.3-12.67-12.67-12.67-31.82%200-19.16%2012.67-31.83L447.93-492q6.72-6.72%2014.92-9.82%208.19-3.09%2017.15-3.09%208.96%200%2017.15%203.09%208.2%203.1%2014.92%209.82l183.76%20183.76q12.67%2012.67%2013.05%2031.33.38%2018.65-13.05%2032.32-12.68%2012.92-31.83%2012.92t-32.07-12.92L480-395.76Zm0-247.41L327.83-491.76q-12.68%2012.67-31.45%2013.05-18.77.38-32.21-13.05-12.67-12.67-12.67-31.83%200-19.15%2012.67-31.82l183.76-184q6.72-6.72%2014.92-9.82%208.19-3.1%2017.15-3.1%208.96%200%2017.15%203.1%208.2%203.1%2014.92%209.82l183.76%20184q12.67%2012.67%2013.05%2031.44.38%2018.77-13.05%2032.21-12.68%2012.67-31.83%2012.67t-31.83-12.67L480-643.17Z%22%2F%3E%3C%2Fsvg%3E');
}
#fixbtn #scrolltop a:before{
transition: 0.2s ease-in-out;
width: 40px;
height: 40px;
border:none!important;
background: #f00;
mask-image: url('data:image/svg+xml;charset=utf8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3Csvg%20version%3D%221.1%22%20id%3D%22%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BC_1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%2040%2040%22%20style%3D%22enable-background%3Anew%200%200%2040%2040%3B%22%20xml%3Aspace%3D%22preserve%22%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%20.st0%7Bfill%3A%235F6368%3B%7D%3C%2Fstyle%3E%3Cpath%20class%3D%22st0%22%20d%3D%22M20%2C14.5l-7.3%2C7.3l2%2C1.9l5.3-5.3l5.3%2C5.3l2-1.9L20%2C14.5z%20M20%2C3.3c2.3%2C0%2C4.4%2C0.4%2C6.5%2C1.3s3.8%2C2.1%2C5.3%2C3.6%20c1.5%2C1.5%2C2.7%2C3.3%2C3.6%2C5.3s1.3%2C4.2%2C1.3%2C6.5c0%2C2.3-0.4%2C4.5-1.3%2C6.5s-2.1%2C3.8-3.6%2C5.3c-1.5%2C1.5-3.3%2C2.7-5.3%2C3.6s-4.2%2C1.3-6.5%2C1.3%20c-2.3%2C0-4.5-0.4-6.5-1.3s-3.8-2.1-5.3-3.6c-1.5-1.5-2.7-3.3-3.6-5.3S3.3%2C22.3%2C3.3%2C20c0-2.3%2C0.4-4.4%2C1.3-6.5s2.1-3.8%2C3.6-5.3%20c1.5-1.5%2C3.3-2.7%2C5.3-3.6S17.7%2C3.3%2C20%2C3.3z%20M20%2C6.1c-3.9%2C0-7.2%2C1.4-9.8%2C4.1c-2.7%2C2.7-4%2C6-4%2C9.8c0%2C3.9%2C1.3%2C7.2%2C4%2C9.8%20c2.7%2C2.7%2C6%2C4%2C9.8%2C4c3.9%2C0%2C7.1-1.3%2C9.8-4c2.7-2.7%2C4.1-6%2C4.1-9.8c0-3.9-1.4-7.1-4.1-9.8S23.9%2C6.1%2C20%2C6.1z%22%2F%3E%3C%2Fsvg%3E');
}
#fixbtn #scrolltop a:before{
transition: 0.2s ease-in-out;
width: 40px;
height: 40px;
border:none!important;
background: #f00;
mask-image: url('data:image/svg+xml;charset=utf8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3Csvg%20version%3D%221.1%22%20id%3D%22%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BC_1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%2040%2040%22%20style%3D%22enable-background%3Anew%200%200%2040%2040%3B%22%20xml%3Aspace%3D%22preserve%22%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%20.st0%7Bfill%3A%23040000%3B%7D%3C%2Fstyle%3E%3Cpath%20class%3D%22st0%22%20d%3D%22M21.1%2C1.9c-0.2-0.1-0.3-0.1-0.5-0.1c-0.4%2C0-0.9%2C0.2-1.2%2C0.5l-9.2%2C11.1c-0.5%2C0.6-0.4%2C1.6%2C0.2%2C2.1%20c0.3%2C0.2%2C0.6%2C0.3%2C1%2C0.3c0.4%2C0%2C0.9-0.2%2C1.2-0.5l6.6-7.9v29.2c0%2C0.8%2C0.7%2C1.5%2C1.5%2C1.5s1.5-0.7%2C1.5-1.5V3.3C22.1%2C2.7%2C21.7%2C2.1%2C21.1%2C1.9z%20%22%2F%3E%3C%2Fsvg%3E');
}