.appel-numero {
    position: relative;
    background: #104c98;
    overflow: hidden;
    padding: 50px 0;
}

.flex-appel {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-appel h2 {
    color: #fff;
    font-size: 36px;
    font-family: Segoe UI;
    font-weight: 100;
    margin: 0;
    line-height: 48px;
    margin-bottom: 0;
}

.boxone, .boxtwo, .boxthree {
    padding: 0;
}

.boxtwo h4 {
    color: #fff;
    font-size: 24px;
    font-family: Segoe UI;
    font-weight: 100;
    margin: 0;
    line-height: 48px;
    margin-bottom: 0;
}

.boxtwo h3 {
    color: #fff;
    font-size: 30px;
    font-weight: 800;
    margin: 0;
    line-height: 48px;
    margin-bottom: 0;
    font-family: 'Open Sans', sans-serif;
    letter-spacing: 2px;
}

.boxthree .btn-premiasoft {
    background: #18a0db;
    color: #fff;
    padding: 15px 20px;
    position: relative;
    cursor: pointer;
    z-index: 2;
    display: flex;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    font-size: 22px;
    font-family: Segoe UI;
    font-weight: 100;
    margin-top: 0;
    width: 100%;
    justify-content: center;
    align-items:;
} 
.boxthree .btn-premiasoft:after {
    content: '';
    position: absolute;
    top: 0px;
    left: 0px;
    width: 0px;
    background: #023988;
    -webkit-transition: 0.3s all ease;
    transition: 0.3s ease all;
    height: 65px;
    z-index: -1;
}
.boxthree .btn-premiasoft:hover:after {
width: 100%;
}

@media screen and (max-width: 1366px){
.flex-appel h2 {
    font-size: 30px;
}
.boxthree .btn-premiasoft {
font-size: 18px;
}
}

@media screen and (max-width: 1024px){
.flex-appel {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.boxone {
    width: 100%;
   margin-bottom: 35px;
}
.boxtwo, .boxthree {
    width: 50%;
}
}

@media screen and (max-width: 991px){
.flex-appel {
    text-align: center;
}
.boxthree .btn-premiasoft:after {
    height: 100%;
}
}
@media screen and (max-width: 767px){
.boxtwo, .boxthree {
    width: 100%;
}
.appel-numero {
    padding: 30px 0 0 0;
}
.appel-numero .container {
padding: 0;
}
.boxone, .boxtwo {
padding: 0 15px;
}
.boxone, .boxtwo {
    margin-bottom: 25px;
}
.boxtwo h4, .boxtwo h3, .flex-appel h2  {
    line-height: 36px;
}
.boxthree .btn-premiasoft {
    font-size: 22px;
    padding: 20px 15px;
}
.boxtwo h3 {
margin-bottom: 10px;
}
}