A pure CSS version of the Sensor Tower logo.

sensor_tower_logo.css

/*
A pure CSS version of the Sensor Tower Logo
by Tom Spalding
https://github.com/digitalvapor
*/

/* spacer */
a:before {
    background-color: #20aa9c;
    border-style: solid;
    color: transparent;
    content: '';
    line-height: 110px;
    margin-left: -9px;
    padding-left: 34px;
    text-decoration: none;
}
/* concentric circles */
a{
    background: #225153;
    border: 30px solid #20aa9c;
    border-radius: 150px;
    box-shadow:
    0 0 0 8px #225153,
    0 0 0 42px #20aa9c,
    0 0 0 50px #225153;
    content: '';
    display: inline-block;
    height: 20px;
    width: 20px;
}
/* bar */
a:after {
    border-color: #225153 transparent;
    border-style: solid;
    border-width: 0 5px 80px;
    content: '';
    margin-left: 32px;
    padding-left: 3px;
    position: absolute;
    top: 105px;
    width: 2px;
}
a:visited{color:transparent;}