.block{
    display: flex;
    flex-flow: column wrap;
}
.btn{
    width: 30em;
    margin: 0.1em;
    transition: 100ms;
    background: #F08377;
    border: 0;
    padding: 0.5em;
    color: white;
    font-size: 0.8em;
    text-transform: uppercase;
    border-radius: 0.2em;
    opacity: 0.9;
}

.btn:hover{
    opacity: 1;
    background: #778591;
    cursor: pointer;
    transition: 100ms
}
.btn:disabled{
    transition: 100ms;
    opacity: 0.4;
}
.opts_cont{
    display: flex;
    flex-direction: column;
}
.opts_cont .row{
    padding-top: 0.5em;
}