body {
  background: url('../img/fundo.png') no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.panel-default {
opacity: 0.8;
margin-top:30px;
}
.form-group.last { margin-bottom:0px; }

.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 40px;
    text-align: right;
    background-color: #000;
    padding: 10px;
}
.fundo{
    background-color: rgba(10,23,55,0.7);
    padding: 20px;
    margin: 100px auto;
}

.checkbox-inline{
    margin-top: 10px;
    color: #FFF;
    font-size: 16px;
    font-weight: bold;
}
@keyframes click-wave {
    0% {
        height: 30px;
        width: 3px;
        opacity: 0.35;
        position: relative;
    }
    100% {
        height: 200px;
        width: 200px;
        margin-left: -80px;
        margin-top: -80px;
        opacity: 0;
    }
}

.option-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
    position: relative;
    top: -8px;
    right: 0;
    bottom: 0;
    left: 0;
    height: 30px;
    width: 30px;
    transition: all 0.15s ease-out 0s;
    background: #FFF;
    border: none;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    margin-right: 0.5rem;
    outline: none;
    position: relative;
    z-index: 1000;
}
.option-input:hover {
    background: #9faab7;
}
.option-input:checked {
    background: #191970;
}
.option-input:checked::before {
    height: 30px;
    width: 30px;
    position: absolute;
    content: '✔';
    display: inline-block;
    font-size: 26.66667px;
    text-align: center;
    line-height: 30px;
}
.option-input:checked::after {
    -webkit-animation: click-wave 0.65s;
    -moz-animation: click-wave 0.65s;
    animation: click-wave 0.65s;
    background: #40e0d0;
    content: '';
    display: block;
    position: relative;
    z-index: 100;
}
.option-input.radio {
    border-radius: 50%;
}
.option-input.radio::after {
    border-radius: 50%;
}

@media (max-width: 600px){
    .alinhar{
        padding: 10px;
        text-align: center;
    }
    .fundo{
        margin-top: 130px;
    }
}