@media only screen and (min-device-width : 1px) and (max-device-width : 320px) {
    form {
        width: 100vw;
    }
    .main-div {
        width: 100vw;
        margin: 0 auto; 
        text-align: center;
    }
    .logo{
        width:90%;
        display: block;
        margin-left: auto;
        margin-right: auto;
        margin-top: 25px;
        margin-bottom: 10px;
    }
}

@media only screen and (min-device-width : 320px) and (max-device-width : 640px) {
    form {
        width: 90vw;
    }
    .main-div {
        width: 90vw;
        margin: 0 auto; 
        text-align: center;
    }
    .logo{
        width:90%;
        display: block;
        margin-left: auto;
        margin-right: auto;
        margin-top: 25px;
        margin-bottom: 10px;
    }
}

@media only screen and (min-device-width : 640px) and (max-device-width : 1000px) {
    form {
        width: 50vw;
    }
    .main-div {
        width: 50vw;
        margin: 0 auto; 
        text-align: center;
    }
    .logo{
        width:30%;
        display: block;
        margin-left: auto;
        margin-right: auto;
        margin-top: 25px;
        margin-bottom: 10px;
    }
}

@media only screen and (min-device-width : 1000px){
    form {
        width: 50vw;
    }
    .main-div {
        width: 50vw;
        margin: 0 auto; 
        text-align: center;
    }
    .logo{
        width:20%;
        display: block;
        margin-left: auto;
        margin-right: auto;
        margin-top: 25px;
        margin-bottom: 10px;
    }
}

* {
    font-family: "Century Gothic", CenturyGothic, AppleGothic, sans-serif;
}
.dropzone{
    border: none;
    background-color: transparent;
    width: 100%;
}
.dropzone .dz-preview .dz-image {
    width: 100px;
    height: 100px;
}
.main-form{
    margin: 0 auto; 
    text-align: center;
}
.main-container{
    border-radius: 15px;
    border: 1px solid lightgrey;
    padding: 10px;
    background: white;
    box-shadow: 0px 0px 10px #ddd;
}
table, td{
    border:1px solid #dddddd;
    border-collapse:collapse;
}
thead, th{
    position: sticky;
    top: 0;
}
.tbl-header{
width:calc(100% - 17px);
width:-webkit-calc(100% - 17px);
width:-moz-calc(100% - 17px);
}
.table-certification-name{
    white-space: normal !important; 
    word-wrap: break-word; 
    max-width: 1px;
}
footer{
    position: sticky;
    top: 100%;
    text-align: center;
    background: rgba(255,255,255,.5);
    border-top: 3px solid lightgrey;
}