Excellent Plugin, works well with Tempera

The developer is extremely active and supportive and keeps the plugin current. Following CSS settings work beautifully with Tempera theme

/* Tempera Custom CSS */
.ss-section-title {font-family: Georgia,Times,serif !important;  border-top: double black; border-top-style: solid;  } /* Change the form Title to a Serrif Font and add a black border*/
.ss-form-container li {  list-style-type: none !important; transition: 0s background-color; } /* Change the form Title to a  Remove Bullets from the Answer Choices List and add a mild hover effect */
.ss-form-container  li:hover { background-color:rgba(255,255,0,0.3) !important; transition-delay:0.2s; }
.ss-q-long {min-width: 250px; } /* Minimum Width of short text questions */
.ss-q-short  {min-width: 250px; } /* Minimum Width of long text questions */
.ss-form-entry > input[type="submit"] { background-color: rgb(140, 245, 245); }  /* Style the Buttons */
.progress-label { background-color: rgb(224, 255, 255);  }  /* Style the Progress Section  */
.ss-q-title {font-family: Georgia,Times,serif; color: #e8280e;  font-style:italic;  font-size : 1.2em;} /* Style the Questions Text  */
.ss-form-question {  border-top: double grey; border-top-style: solid; padding: 10px 10px; }  /* Grey bars between questions */