.selector {
    display: inline-block;
    vertical-align: top;
    font-size: 95%;
    max-width: 218px;
}

.trajectories {
    display:inline-block;
    margin-right: 8px;
    margin-left: 8px;
}

.selector label{
    display: block;
    margin-top: -25px;
    margin-left: 20px;
    margin-bottom: -20px;
}

.canvas {
    border: 2px solid #847c67;
    display: block;
}
.sliderbox {
    border-left: 2px solid #847c67;
    border-right: 2px solid #847c67;
    width: 340px;
    max-width: 100%;
    background: #d1c6aa;
    display: block;
    padding: 4px 0 4px 0;
}

.slider {
    width: 240px;
    border-radius: 5px;
    background-color: #FFFFFF;
    height: 15px;
    padding: 0px;
    -webkit-appearance: none;
    -moz-appearance: none;
}


.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%; 
    background: #172c47;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #172c47;
    cursor: pointer;
}


@media screen and (max-width: 800px) {
  .trwrap {
    display: flex;
    flex-direction: column;
  }
  .trwrap .trajectories {
    order: -1;
    align-self: center;
  }
}