change material icon size code example
Example: google material icons change width
// css
.material-icons.md-48 { font-size: 48px; }
// html
<i class="material-icons md-48">important_devices</i>
// css
.material-icons.md-48 { font-size: 48px; }
// html
<i class="material-icons md-48">important_devices</i>