.call-to-action {
    background: #fff;
    background-size: cover;
    padding: 30px 0;
}

.card-estilo{
    width: 18rem; 
    border-radius: 20px; 
    border-radius: 17px 17px 17px 17px;
    -moz-border-radius: 17px 17px 17px 17px;
    -webkit-border-radius: 17px 17px 17px 17px;
    border: 0px solid #8f8f8f;
    -webkit-box-shadow: 8px 11px 10px -12px rgba(25,58,217,0.61);
    -moz-box-shadow: 8px 11px 10px -12px rgba(25,58,217,0.61);
    box-shadow: 8px 11px 10px -12px rgba(25,58,217,0.61);
}

.card-pregunta{
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border-radius: 0.25rem;
}

.btn-check:focus+.btn, .btn:hover {
    outline: 0;
    box-shadow: none;
    color: rgb(13, 110, 253) !important;
    border-color: rgb(13, 110, 253) !important;
}

.btn_pre{
    color:rgba(39,38,73,0.8); 
    font-weight: 700; 
    background-color: #fff;  
    border-color: rgb(39 38 73 / 20%);
    box-shadow: 0px 4px 16px rgb(0 0 0 / 25%);
}

.btn_pre:focus {
    outline: 0;
    box-shadow: none;
    border-color: rgb(13, 110, 253) !important;
    color: rgb(13, 110, 253) !important;
}